Hazards

Last edit: 2026.01.15

Purpose

This page details the hazard data format, explaining individual Protobuf message types and providing typical examples for the various types. Service connection instructions are found in the Platform Guide . Additional product information is available on the TomTom Hazard Warnings page.

Data format

Data from the delivery platform is encoded in Protocol Buffers format version 3, described structurally through Protocol Buffers schema files. You can access the schemas provided by TomTom in Schema-Hazards_v1.9.0.zip .

HazardsReport

Main component of the hazards Protocol Buffers schema encapsulates a Metadata component and HazardMessage components.

Attribute	Data type	Description
`metaData`	`MetaData`	See MetaData
`message`	`HazardMessage`	See HazardMessage

MetaData

The MetaData component includes details about the hazard message, such as its creation and expiration times.

Attribute	Data type	Description
`creationTimeInEpochSeconds`	`uint64`	The message’s creation time.
`expirationTimeInEpochSecond`	`uint64`	The expiration time of the message. After this time, the message shall be removed from the system.

HazardMessage

The HazardMessage component includes information about hazard identifiers, times, location, and the hazard message itself.

Attribute	Data type	Description
`id`	`Identifier`	See Identifier
`location`	`Location`	See Location
`times`	`Times`	See Times
`hazard`	`Hazard`	See Hazard

Identifier

Attribute	Data type	Description
`id`	`string`	The hazard message’s unique identifier.
`version`	`string`	Hazard message version. New messages are assigned version 1, and subsequent updates increment the version number by 1.

Location

The location details of the hazard message are detailed in the following table.

Attribute	Data type	Description
`type`	`LocationType`	The type of location. It can be a `POINT`.
`locationName`	`LocationName`	The location description for textual representation.
`openlr`	`OpenLR`	The binary OpenLR location reference with multiple encodings.
`segmentIds`	`SegmentIds`	A list of representations of the location using segment IDs of the underlying map.
`coordinate`	`Coordinate`	A single geo-coordinate in degrees according to the WGS-84 schema.
`coordinateSequence`	`CoordinateSequence`	A sequence of geo-coordinates is an ordered list of geo-coordinates.
`bearingInDegrees`	`uint32`	The direction in degrees [0-360°] measured clockwise from due North.
`frc`	`Frc`	The dominant functional road class represents an order of importance for a road within the overall road network. Different map data providers use different classifications.
`sections`	`Section`	A list of sections with lane information.

LocationType

LocationType	Value	Description
`LOCATION_TYPE_UNSPECIFIED`	0	The location represents an area. Such locations will not be provided.
`AREA`	1	The location represents an area.
`LINEAR`	2	The location represents a linear or stretch location.
`POINT`	3	The location represents a point.

LocationName

Attribute	Data type	Description
`areaName`	`string`	List of areas where the event is located.
`roadName`	`string`	The name of the road or street. Used for linear locations only, optional.
`roadNumber`	`string`	The number of the road or street. Used for linear locations only, optional.
`travelDirection`	`string`	A travel direction, like Northbound or `NB`. Used for linear locations only, optional.
`fromArea`	`string`	The area in which a linear location starts, optional.
`toArea`	`string`	The area in which a linear location ends, optional.
`fromLocation`	`string`	Concrete start of a linear location, optional.
`toLocation`	`string`	Concrete end of a linear location, optional.
`at`	`string`	A description of a place, like junction crossing, optional.

Section

Attribute	Data type	Description
`endOffsetInMeters`	`uint32`	Offset of the end of the section relative to the start of the location in meters.
`numberOfLanes`	`uint32`	Total number of lanes existing on the road in this section.
`lanes`	`Lane`	A list of lane-specific information.

Lane

Attribute	Data type	Description
`type`	`LaneType`	Type of the Lane.
`index`	`uint32`	Lane indexing which is always from left to right in driving direction, starting with lane index “1”.
`nextIndex`	`uint32`	Optional. Defines the connectivity of individual lanes between consecutive sections.

LaneType

LaneType	Value	Description
`LANE_TYPE_UNSPECIFIED`	0	Lane of unspecified type.
`LANE_TYPE_REGULAR`	1	Regular lane.
`LANE_TYPE_TEMPORARY`	2	Temporary lane.
`LANE_TYPE_CONTRAFLOW`	3	One side of the roadway is closed, resulting in both directions sharing the remaining open side.
`LANE_TYPE_HARD_SHOULDER`	4	The hard shoulder.

SegmentIds

Attribute	Data type	Description
`type`	`ReferenceType`	The ID types used to reference segments. `OSM_WAY_ID` is the only supported type.
`segmentId`	`SegmentId`	Sequence of SegmentIds representing the location using the specified ID type.

SegmentId

The following table outlines the attributes of the SegmentId structure, providing details on segment identification, orientation, and offsets.

Attribute	Data type	Description
`id`	`int64`	The unique identifier of the segment.
`backwards`	`bool`	`True` if the segment is to be interpreted in reverse.
`startOffsetInMeters`	`int32`	The offset in meters from the start of the segment.
`endOffsetInMeters`	`int32`	The offset in meters from the end of the segment.

CoordinateSequence

Attribute	Data type	Description
`coordinateSequence`	`Coordinate`	A sequence of geo-coordinates is an ordered list of geo-coordinates according to WGS-84 schema.

Coordinate

Attribute	Data type	Description
`longitudeInDegrees`	`double`	The longitude in degrees according to the WGS-84 schema.
`latitudeInDegrees`	`double`	The latitude in degrees according to the WGS-84 schema.

Times

Attribute	Data type	Description
`reportingTimeInEpochSeconds`	`uint64`	First time the message was reported.
`startTimeInEpochSeconds`	`uint64`	The expected start time of the hazard.
`endTimeInEpochSeconds`	`uint64`	The expected stop time of the hazard.

Hazard

The primary component for hazards content includes mandatory attributes such as hazard category and hazard type, defining the nature of the hazard. Additional attributes offer details on the likelihood, severity, and availability of more information regarding the hazard.

Attribute	Data type	Description
`category`	`HazardCategory`	See HazardCategory
`type`	`HazardType`	See HazardType
`likelihoodOfOccurrence`	`uint32`	The likelihood that the hazards occurs, represented as a percentage [0%…100%].
`severity`	`HazardSeverity`	See HazardSeverity
`confidence`	`HazardConfidence`	See HazardConfidence . Optional
`description`	`LocalizedString`	A language-dependent description of the hazard. Several languages may be supported. Optional
`lastUpdatedTimeInEpochSeconds`	`uint64`	Last time the message was updated.
`detailInformation`	one of `BadRoadConditionsDetailedInformation`, `EmergencyVehicleApproachingDetailedInformation`, `JamTailWarningDetailedInformation`, `ObjectsOnRoadDetailedInformation`, `ReducedVisibilityDetailedInformation`, `RoadworksDetailedInformation`, `StrongWindDetailedInformation`	See BadRoadConditionsDetailedInformation , EmergencyVehicleApproachingDetailedInformation , JamTailWarningDetailedInformation , ObjectsOnRoadDetailedInformation , ReducedVisibilityDetailedInformation , RoadworksDetailedInformation , and StrongWindDetailedInformation

HazardCategory

This defines the hazard category. Each category can be represented by different LocationTypes NATURAL_DISASTER hazards are currently always represented as AREA locations. WEATHER hazards are mainly represented as LINEAR locations on FRC0 and FRC1, and mainly as AREA locations on lower FRCs (FRC2 and below).

Category	Value
`CATEGORY_UNSPECIFIED`	0
`GENERIC`	1
`TRAFFIC`	2
`ROAD`	3
`WEATHER`	4
`NATURAL_DISASTER`	5

HazardType

This defines the type of the hazard.

Type	Value
`TYPE_UNSPECIFIED`	0
`JAM_TAIL_WARNING`	1
`GENERIC`	2
`ACCIDENT`	3
`BROKEN_DOWN_VEHICLE`	4
`SLIPPERY_ROAD`	5
`REDUCED_VISIBILITY`	6
`STRONG_WIND`	7
`OBJECTS_ON_ROAD`	8
`BAD_ROAD_CONDITIONS`	9
`ROADWORKS`	10
`EMERGENCY_VEHICLE_APPROACHING`	11
`WRONG_WAY_DRIVER`	12
`WILDFIRE`	13
`FLOOD`	14
`THUNDERSTORM`	15
`VOLCANO`	16
`EARTHQUAKE`	17

HazardSeverity

The severity of a hazard indicates its criticality in terms of the associated danger.

Severity	Value
`SEVERITY_UNSPECIFIED`	0
`CRITICAL`	1
`MAJOR`	2
`MEDIUM`	3
`LOW`	4

HazardConfidence

The confidence level of a hazard indicates the certainty that the reported hazardous condition is present. It is currently calculated for line road weather hazards, including slippery roads, reduced visibility, and strong winds, reflecting the degree of certainty that these events impact the observed driver behavior.

Confidence	Value
`CONFIDENCE_UNSPECIFIED`	0
`CONFIDENCE_VERY_HIGH`	1
`CONFIDENCE_HIGH`	2
`CONFIDENCE_MEDIUM`	3
`CONFIDENCE_LOW`	4

LocalizedString

Attribute	Data type	Description
`language`	`Language`	A two letter ISO 639-1 language code in upper case.
`text`	`string`	The text in the given language

DetailInformation

These are the specific properties of each type of hazard.

BadRoadConditionsDetailedInformation

Attribute	Data type	Description
`isPothole`	`bool`	`True` indicates that potholes cause the bad road conditions.

JamTailWarningDetailedInformation

Attribute	Data type	Description
`speedAtTailInKilometersPerHours`	`int32`	Speed at the end of the queue. A significant reduction from typical driving speed to queue-end speed is expected.

EmergencyVehicleApproachingDetailedInformation

Attribute	Data type	Description
`speedInKilometersPerHour`	`int32`	Speed of the emergency vehicle in kilometers per hour.

ObjectsOnRoadDetailedInformation

Attribute	Data type	Description
`animal`	`bool`	`True` if the obstacle is one or more animals. `False` if the obstacle is not an animal. Not available means that the service does not know whether it is an animal.
`people`	`bool`	`True` if the obstacle is people. `False` if the obstacle is not people. Not available means that the service does not know whether people are present.

ReducedVisibilityDetailedInformation

Attribute	Data type	Description
`dueToFog`	`bool`	`True` if the main reason for reduced visibility is fog. `False` if it is not due to fog. Not available if the main reason is unknown or related to a different cause.
`dueToHeavyRain`	`bool`	`True`, if the main reason for reduced visibility is due to heavy rain. `False`, if the main reason for reduced visibility is not due to heavy rain. Not available, if the main reason is not known or related to a different cause.

RoadworksDetailedInformation

Attribute	Data type	Description
`lengthAffectedInMeters`	`int32`	The length of the roadworks in meters.
`currentSpeedInKilometersPerHour`	`uint32`	The current average speed in kmh for the roadworks stretch.
`laneChangesExpected`	`bool`	Lane changes can include a reduced number of lanes, narrow lanes, or a different lane structure throughout the roadworks stretch. `True` if lane changes are expected. `False` if no lane changes are expected. Not available if it is not known whether the roadworks hazard includes lane changes.

StrongWindDetailedInformation

Attribute	Data type	Description
`forHighSidedVehicles`	`bool`	`True` if the strong wind hazard mainly affects high-sided vehicles. `False` if it affects all vehicle types. Not available means that a distinction between high-sided and other vehicles cannot be made.

Location Referencing

Hazard warnings are location-based events. A central element of each situation provided by the service is the location reference. Basic concepts that apply to all situations are described in the table below.

Feature	Required	Description
Single Geo Coordinate	always	Each `create` or `update` message will provide a single geo coordinate according to the WGS84 coordinate system. The availability of this information is guaranteed. It can be used as a simple and fast reference coordinate for localization. For some of the event types, this geo coordinate can be the single and sufficient location reference of the situation. For more complex locations the service will choose a significant coordinate according to server-side rules. It will be a rough center point of the spatial extent of the situation area.
Geo Coordinate Sequence	optional	A `create` or `update` message may provide a more complex location reference. It describes a linear or an area location with a sequence of geo coordinates (WGS84). Another attribute defines whether this sequence refers to a polygon area or a linear location. In case the location reference is a linear one, the coordinates sequence defines a simplified path of the location in the road network. The coordinates are ordered from start to end. Applications can use the information to match it to their geographical map. Between two subsequent coordinates the shortest path along the road network is intended to be applied. In case the location reference is an area, the coordinate sequence defines a polygon location. The coordinates are provided in subsequent order. Applications should apply a direct connection between them according to the WGS84 coordinate system, independently from the road network. The last geo coordinate must be connected with the first one to form a closed area. Polygon locations provided by the service at this moment are simple, closed areas.
OpenLR	optional	A `create` or `update` message may provide an OpenLR location reference. It describes a location reference according to these types of the OpenLR standard: Line Location, Point Along Line, Geo Coordinate, Circle, Rectangle or Polygon. OpenLR locations are the most accurate way for Applications to decode the location of the safety event to the geographical map. The type of location reference here will correspond as close as possible to the information in geo coordinate sequence container described above.

While the location referencing concepts described above give a general overview on the available types, the table below describes which location types are in use per safety event type.

Hazards Type	Single Geo Coordinate (always)	Geo Coordinates Sequence (optional)	OpenLR (optional)
ACCIDENT	Spot or Reference¹	Linear²	Point Along Line or Linear
BROKEN_DOWN_VEHICLE	Spot or Reference¹	Linear²	Point Along Line or Linear
EMERGENCY_VEHICLE_APPROACHING	Spot	N/A	N/A
JAM_TAIL_WARNING	Spot	N/A	Point Along Line
WRONG_WAY_DRIVER	Spot or Reference¹	Linear²	Point Along Line or Linear
REDUCED_VISIBILITY	Spot or Reference¹	Linear² or Polygon	Point Along Line or Linear or Polygon
SLIPPERY_ROAD	Spot or Reference¹	Linear² or Polygon	Point Along Line or Linear or Polygon
STRONG_WIND	Spot or Reference¹	Linear² or Polygon	Point Along Line or Linear or Polygon
BAD_ROAD_CONDITIONS	Spot or Reference¹	Linear²	Point Along Line or Linear
OBJECTS_ON_ROAD	Spot or Reference¹	Linear²	Point Along Line or Linear
ROADWORKS	Spot or Reference¹	Linear²	Linear
EARTHQUAKE	Reference¹	Polygon	Polygon
FLOOD	Reference¹	Polygon	Point Along Line or Linear or Polygon
THUNDERSTORM	Reference¹	Polygon	Polygon
VOLCANO	Reference¹	Polygon	Polygon
WILDFIRE	Reference¹	Polygon	Polygon
GENERIC	Spot or Reference¹	Linear² or Polygon	Point Along Line or Linear or Polygon

Notes:

If the single geo coordinate is not accompanied by a coordinate sequence, the single coordinate describes the exact spot of the safety situation. Otherwise, the single coordinate describes the reference coordinate.
“Linear warning”: If attached to the message, the location reference defines a stretch inside the location reference.

Message examples

The following examples illustrate the textual representation of various hazard warning event messages. During runtime, Protocol Buffers are transmitted in binary form.

Example: `type = ACCIDENT`

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metaData {
2
  expirationTimeInEpochSeconds: 1743004968
3
}
4
message {
5
  id {
6
    id: "3fd6bb8e-b354-4bf8-896c-cfa766e7f185"
7
    version: "1"
8
  }
9
  location {
10
    type: LINEAR
11
    locationName {
12
      roadName: "L1180"
13
      roadNumber: "L1180"
14
      fromLocation: "AS Heimsheim (A8) (L1180)"
15
      toLocation: "Friolzheim (L1180)"
16
    }
17
    openlr {
18
      base64: "CwZOuCK6CRt3FvlnAQYbSNk="
19
    }
20
    coordinate {
21
      longitudeInDegrees: 8.8699
22
      latitudeInDegrees: 48.8344
23
    }
24
    coordinateSequence {
25
      coordinateSequence {
26
        longitudeInDegrees: 8.8699
27
        latitudeInDegrees: 48.8344
28
      }
29
      coordinateSequence {
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        longitudeInDegrees: 8.85301
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        latitudeInDegrees: 48.83702
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      }
33
    }
34
    frc: FRC_3
35
  }
36
  times {
37
    reportingTimeInEpochSeconds: 1743002652
38
    lastUpdatedTimeInEpochSeconds: 1743003168
39
  }
40
  hazard {
41
    category: TRAFFIC
42
    type: ACCIDENT
43
    severity: MEDIUM
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    description {
45
      language: DE
46
      text: "Enzkreis, L1180\nzwischen Abzweig nach M\303\266nsheim und Friolzheim\nin beiden Richtungen Gefahr durch ungesicherte Unfallstelle, Gefahr durch Fahrzeugteile auf der Fahrbahn"
47
    }
48
  }
49
}

Example: `type = BAD_ROAD_CONDITIONS`

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metaData {
2
  expirationTimeInEpochSeconds: 1743003768
3
}
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message {
5
  id {
6
    id: "5595e632-f456-4bbb-86d9-795175f30616"
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    version: "372"
8
  }
9
  location {
10
    type: LINEAR
11
    locationName {
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      roadName: "B96"
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      roadNumber: "B96"
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      fromLocation: "Invalidenstra\303\237e - Minna-Cauer-Stra\303\237e (Tunnel-Tiergarten-Spreebogen/B96)"
15
      toLocation: "Heidestra\303\237e (Minna-Cauer-Stra\303\237e/B96)"
16
    }
17
    openlr {
18
      base64: "CwmBlCVZ9Ao+BQAKARQKUmQ="
19
    }
20
    coordinate {
21
      longitudeInDegrees: 13.36804
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      latitudeInDegrees: 52.52536
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    }
24
    coordinateSequence {
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      coordinateSequence {
26
        longitudeInDegrees: 13.36804
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        latitudeInDegrees: 52.52536
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      }
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      coordinateSequence {
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        longitudeInDegrees: 13.36814
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        latitudeInDegrees: 52.52812
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      }
33
    }
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    frc: FRC_1
35
  }
36
  times {
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    reportingTimeInEpochSeconds: 1740899940
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    lastUpdatedTimeInEpochSeconds: 1743001968
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  }
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  hazard {
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    category: ROAD
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    type: BAD_ROAD_CONDITIONS
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    severity: MEDIUM
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    description {
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      language: DE
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      text: "B96 Berlin-Moabit, Tiergartentunnel, Kreuzberg Richtung Reinickendorf\nHeidestra\303\237e\nGefahrenstelle, Wasser auf der Fahrbahn, fahren Sie bitte besonders vorsichtig\nim Kurvenbereich der Ausfahrt Heidestra\303\237e"
47
    }
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    badRoadDetailInfo {
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    }
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  }
51
}

Example: `type = BROKEN_DOWN_VEHICLE`

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metaData {
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  expirationTimeInEpochSeconds: 1743005149
3
}
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message {
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  id {
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    id: "1f11c592-c865-45f0-926a-28b232244a98"
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    version: "5"
8
  }
9
  location {
10
    type: LINEAR
11
    locationName {
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      fromLocation: "Siemensstra\303\237e (L127)"
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      toLocation: "A23"
14
    }
15
    openlr {
16
      base64: "Cwa/XiZeoA4gBQC4ACwOAA=="
17
    }
18
    coordinate {
19
      longitudeInDegrees: 9.48869
20
      latitudeInDegrees: 53.95728
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    }
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    coordinateSequence {
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      coordinateSequence {
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        longitudeInDegrees: 9.48869
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        latitudeInDegrees: 53.95728
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      }
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      coordinateSequence {
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        longitudeInDegrees: 9.49053
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        latitudeInDegrees: 53.95772
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      }
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    }
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    frc: FRC_1
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  }
34
  times {
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    reportingTimeInEpochSeconds: 1742985000
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    endTimeInEpochSeconds: 1743004800
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    lastUpdatedTimeInEpochSeconds: 1743003349
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  }
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  hazard {
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    category: TRAFFIC
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    type: BROKEN_DOWN_VEHICLE
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    severity: MEDIUM
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    description {
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      language: DE
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      text: "A23, Heide Richtung Hamburg, Anschlussstelle Itzehoe-Nord, Einfahrt gesperrt, Verkehrsbehinderung durch defektes Fahrzeug, Schwertransport, bis 26.03.2025 17:00 Uhr"
46
    }
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  }
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}

Example: `type = EARTHQUAKE`

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metaData {
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  creationTimeInEpochSeconds: 1748311200
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  expirationTimeInEpochSeconds: 1749736665
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}
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message {
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  id {
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    id: "b8e0df8f-d341-4070-b680-93d543bf39e0"
8
    version: "1"
9
  }
10
  location {
11
    type: AREA
12
    openlr {
13
      base64: "E1zdhxdLgP//AAr/+QA//+sAxABqAAwAagAIAEoAAgAc/vL+9f/s"
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    }
15
    coordinate {
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      longitudeInDegrees: 130.593140562
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      latitudeInDegrees: 32.7601760945
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    }
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    coordinateSequence {
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      coordinateSequence {
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        longitudeInDegrees: 130.591876135
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        latitudeInDegrees: 32.758463054
23
      }
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      coordinateSequence {
25
        longitudeInDegrees: 130.591865668
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        latitudeInDegrees: 32.758562667
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      }
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      coordinateSequence {
29
        longitudeInDegrees: 130.591798638
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        latitudeInDegrees: 32.759196414
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      }
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      coordinateSequence {
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        longitudeInDegrees: 130.591591803
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        latitudeInDegrees: 32.761155775
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      }
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      coordinateSequence {
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        longitudeInDegrees: 130.592649883
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        latitudeInDegrees: 32.761278802
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      }
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      coordinateSequence {
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        longitudeInDegrees: 130.593714553
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        latitudeInDegrees: 32.76136064
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      }
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      coordinateSequence {
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        longitudeInDegrees: 130.594459442
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        latitudeInDegrees: 32.761377306
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      }
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      coordinateSequence {
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        longitudeInDegrees: 130.594743528
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        latitudeInDegrees: 32.758678892
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      }
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      coordinateSequence {
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        longitudeInDegrees: 130.592072023
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        latitudeInDegrees: 32.758477865
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      }
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      coordinateSequence {
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        longitudeInDegrees: 130.591876135
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        latitudeInDegrees: 32.758463054
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      }
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    }
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  }
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  times {
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    reportingTimeInEpochSeconds: 1748311200
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    startTimeInEpochSeconds: 1748311200
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    lastUpdatedTimeInEpochSeconds: 1749734865
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  }
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  hazard {
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    category: NATURAL_DISASTER
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    type: EARTHQUAKE
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    severity: MAJOR
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    description {
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      language: JA
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      text: "12日06時46分ころ、地震がありました。"
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    }
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  }
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}

Example: `type = EMERGENCY_VEHICLE_APPROACHING`

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metaData {
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  expirationTimeInEpochSeconds: 1743176599
3
}
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message {
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  id {
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    id: "ad29c28b-67f8-41be-994d-10d8c676333a"
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    version: "1013"
8
  }
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  location {
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    type: POINT
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    coordinate {
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      longitudeInDegrees: 5.84019
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      latitudeInDegrees: 51.75114
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    }
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    bearingInDegrees: 352
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  }
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  times {
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    reportingTimeInEpochSeconds: 1743176588
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    lastUpdatedTimeInEpochSeconds: 1743176589
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  }
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  hazard {
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    category: TRAFFIC
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    type: EMERGENCY_VEHICLE_APPROACHING
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    evaDetailInformation {
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      speedInKilometersPerHour: 107
26
    }
27
  }
28
}

Example: `type = FLOOD`

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metaData {
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  creationTimeInEpochSeconds: 1748311200
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  expirationTimeInEpochSeconds: 1749736665
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}
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message {
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  id {
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    id: "d82f0962-4e45-4817-8ee3-38599b4a909a"
8
    version: "1"
9
  }
10
  location {
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    type: AREA
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    openlr {
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      base64: "E1zdhxdLgP//AAr/+QA//+sAxABqAAwAagAIAEoAAgAc/vL+9f/s"
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    }
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    coordinate {
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      longitudeInDegrees: 130.593140562
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      latitudeInDegrees: 32.7601760945
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    }
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    coordinateSequence {
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      coordinateSequence {
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        longitudeInDegrees: 130.591876135
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        latitudeInDegrees: 32.758463054
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      }
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      coordinateSequence {
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        longitudeInDegrees: 130.591865668
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        latitudeInDegrees: 32.758562667
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      }
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      coordinateSequence {
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        longitudeInDegrees: 130.591798638
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        latitudeInDegrees: 32.759196414
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      }
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      coordinateSequence {
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        longitudeInDegrees: 130.591591803
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        latitudeInDegrees: 32.761155775
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      }
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      coordinateSequence {
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        longitudeInDegrees: 130.592649883
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        latitudeInDegrees: 32.761278802
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      }
40
      coordinateSequence {
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        longitudeInDegrees: 130.593714553
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        latitudeInDegrees: 32.76136064
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      }
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      coordinateSequence {
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        longitudeInDegrees: 130.594459442
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        latitudeInDegrees: 32.761377306
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      }
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      coordinateSequence {
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        longitudeInDegrees: 130.594743528
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        latitudeInDegrees: 32.758678892
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      }
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      coordinateSequence {
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        longitudeInDegrees: 130.592072023
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        latitudeInDegrees: 32.758477865
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      }
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      coordinateSequence {
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        longitudeInDegrees: 130.591876135
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        latitudeInDegrees: 32.758463054
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      }
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    }
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  }
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  times {
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    reportingTimeInEpochSeconds: 1748311200
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    startTimeInEpochSeconds: 1748311200
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    lastUpdatedTimeInEpochSeconds: 1749734865
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  }
67
  hazard {
68
    category: NATURAL_DISASTER
69
    type: FLOOD
70
    severity: MAJOR
71
    description {
72
      language: JA
73
      text: "24時間で391.5mmの雨が降り、これまでの記録を上回った。"
74
    }
75
  }
76
}

Example: `type = GENERIC`

1
metaData {
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  id {
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    id: "937b99c6-676d-4212-abd8-a0b1b5a07961"
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    version: "526"
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  }
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  location {
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    type: LINEAR
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    locationName {
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      roadName: "Wexstra\303\237e"
13
      fromLocation: "Bundesplatz - Bundesallee (Detmolder Stra\303\237e/L1107)"
14
      toLocation: "Wexstra\303\237e - Bundesallee (Wexstra\303\237e/L1107)"
15
    }
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    openlr {
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      base64: "Cwl6ayVRchpnAQCoAAIaGA=="
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    }
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    coordinate {
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      longitudeInDegrees: 13.3287
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      latitudeInDegrees: 52.47862
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    }
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    coordinateSequence {
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      coordinateSequence {
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        longitudeInDegrees: 13.3287
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        latitudeInDegrees: 52.47862
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      }
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      coordinateSequence {
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        longitudeInDegrees: 13.33038
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        latitudeInDegrees: 52.47864
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      }
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    }
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    frc: FRC_3
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  }
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  times {
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    reportingTimeInEpochSeconds: 1741954836
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    endTimeInEpochSeconds: 1746050340
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    lastUpdatedTimeInEpochSeconds: 1743004308
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  }
40
  hazard {
41
    category: GENERIC_CATEGORY
42
    type: GENERIC
43
    severity: MEDIUM
44
    description {
45
      language: DE
46
      text: "Berlin-Wilmersdorf, Wexstra\303\237e\nzwischen Bundesplatz und Bernhardstra\303\237e\nf\303\274r beide Richtungen nur ein Fahrstreifen abwechselnd frei, Wasserrohrbruch, bis 30.04.2025"
47
    }
48
  }
49
}

Example: `type = JAM_TAIL_WARNING`

1
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message {
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  id {
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    id: "a5416a9f-a481-4880-a1a6-2dfc3e103143"
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    version: "1"
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  }
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  location {
10
    type: POINT
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    openlr {
12
      base64: "KwbebyVH6QEWF/iT/pIBBg=="
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    }
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    coordinate {
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      longitudeInDegrees: 9.65936
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      latitudeInDegrees: 52.42626
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    }
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    bearingInDegrees: 252
19
    frc: FRC_0
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  }
21
  times {
22
    reportingTimeInEpochSeconds: 1743176917
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    lastUpdatedTimeInEpochSeconds: 1743176957
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  }
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  hazard {
26
    category: TRAFFIC
27
    type: JAM_TAIL_WARNING
28
    severity: MAJOR
29
    jamTailWarningDetailInformation {
30
      speedAtTailInKilometersPerHours: 20
31
    }
32
  }
33
}

Example: `type = OBJECTS_ON_ROAD`

1
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}
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message {
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  id {
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    id: "bfc7b437-71f6-43ed-957c-9db011f55075"
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    version: "1"
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  }
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  location {
10
    type: LINEAR
11
    locationName {
12
      roadName: "A661"
13
      roadNumber: "A661"
14
      fromLocation: "Frankfurt am Main-Eckenheim (A661)"
15
      toLocation: "Preungesheimer Dreieck (A661)"
16
    }
17
    openlr {
18
      base64: "CwYubSOrTwEGFQVL/kUBHw=="
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    }
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    coordinate {
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      longitudeInDegrees: 8.69251
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      latitudeInDegrees: 50.15977
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    }
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    coordinateSequence {
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      coordinateSequence {
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        longitudeInDegrees: 8.69251
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        latitudeInDegrees: 50.15977
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      }
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      coordinateSequence {
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        longitudeInDegrees: 8.70606
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        latitudeInDegrees: 50.15534
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      }
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    }
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    frc: FRC_0
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  }
36
  times {
37
    reportingTimeInEpochSeconds: 1743000875
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    lastUpdatedTimeInEpochSeconds: 1743003678
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  }
40
  hazard {
41
    category: ROAD
42
    type: OBJECTS_ON_ROAD
43
    severity: MEDIUM
44
    description {
45
      language: DE
46
      text: "A661 Bad Homburg Richtung Darmstadt zwischen Preungesheimer Dreieck und Frankfurt-Friedberger Landstra\303\237e Gefahr durch Fahrzeugteile auf der Fahrbahn"
47
    }
48
    objectsOnRoadDetailInformation {
49
    }
50
  }
51
}

Example: `type = REDUCED_VISIBILITY`

1
metaData {
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  expirationTimeInEpochSeconds: 1743005378
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}
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message {
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  id {
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    id: "db64dceb-0a6b-449d-a51e-614c4d520b3f"
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    version: "8"
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  }
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  location {
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    type: AREA
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    openlr {
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      base64: "Ewlg8CL1VvxvBx34CQR38IvyLBmiAbc="
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    }
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    coordinate {
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      longitudeInDegrees: 13.146931
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      latitudeInDegrees: 49.170813
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    }
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    coordinateSequence {
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      coordinateSequence {
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        longitudeInDegrees: 13.1887302399
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        latitudeInDegrees: 49.1601638794
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      }
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      coordinateSequence {
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        longitudeInDegrees: 13.179599762
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        latitudeInDegrees: 49.1783714294
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      }
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      coordinateSequence {
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        longitudeInDegrees: 13.1592121124
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        latitudeInDegrees: 49.1898002625
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      }
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      coordinateSequence {
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        longitudeInDegrees: 13.1196460724
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        latitudeInDegrees: 49.1543960571
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      }
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      coordinateSequence {
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        longitudeInDegrees: 13.1852636337
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        latitudeInDegrees: 49.1587867737
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      }
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      coordinateSequence {
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        longitudeInDegrees: 13.1887302399
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        latitudeInDegrees: 49.1601638794
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      }
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    }
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  }
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  times {
47
    reportingTimeInEpochSeconds: 1743002100
48
    startTimeInEpochSeconds: 1743002100
49
    lastUpdatedTimeInEpochSeconds: 1743003578
50
  }
51
  hazard {
52
    category: WEATHER
53
    type: REDUCED_VISIBILITY
54
    severity: MEDIUM
55
    reduceVisibilityDetailInformation {
56
      dueToFog: false
57
      dueToHeavyRain: false
58
    }
59
  }
60
}

Example: `type = ROADWORKS`

1
metaData {
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message {
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  id {
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    id: "15336598-5707-4056-be45-1b1433d5c5d4"
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    version: "57"
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  }
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  location {
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    type: LINEAR
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    locationName {
12
      roadName: "Stubenrauchstra\303\237e"
13
      fromLocation: "Neuk\303\266llner Stra\303\237e - Zwickauer Damm (Stubenrauchstra\303\237e/L1087)"
14
      toLocation: "Stubenrauchstra\303\237e (Stubenrauchstra\303\237e/L1087)"
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    }
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    openlr {
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      base64: "CwmYWSVIkxpjAQA9ADAaEw=="
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    }
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    coordinate {
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      longitudeInDegrees: 13.4931
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      latitudeInDegrees: 52.42989
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    }
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    coordinateSequence {
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      coordinateSequence {
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        longitudeInDegrees: 13.4931
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        latitudeInDegrees: 52.42989
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      }
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      coordinateSequence {
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        longitudeInDegrees: 13.49371
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        latitudeInDegrees: 52.43037
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      }
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    }
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    frc: FRC_3
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  }
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  times {
36
    reportingTimeInEpochSeconds: 1741018567
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    lastUpdatedTimeInEpochSeconds: 1743003949
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  }
39
  hazard {
40
    category: ROAD
41
    type: ROADWORKS
42
    severity: LOW
43
    roadworksDetailInformation {
44
      lengthAffectedInMeters: 68
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    }
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  }
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}

Example: `type = SLIPPERY_ROAD`

1
metaData {
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}
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message {
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  id {
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    id: "453e4445-a93c-42da-b937-8231ba463633"
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    version: "1"
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  }
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  location {
10
    type: LINEAR
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    locationName {
12
      fromLocation: "A5"
13
      toLocation: "A5"
14
    }
15
    openlr {
16
      base64: "CwYjiiMbxQ4gAwALALcOEA=="
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    }
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    coordinate {
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      longitudeInDegrees: 8.63271
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      latitudeInDegrees: 49.37127
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    }
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    coordinateSequence {
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      coordinateSequence {
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        longitudeInDegrees: 8.63271
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        latitudeInDegrees: 49.37127
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      }
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      coordinateSequence {
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        longitudeInDegrees: 8.63282
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        latitudeInDegrees: 49.3731
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      }
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    }
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    frc: FRC_1
33
  }
34
  times {
35
    reportingTimeInEpochSeconds: 1743001053
36
    lastUpdatedTimeInEpochSeconds: 1743003558
37
  }
38
  hazard {
39
    category: WEATHER
40
    type: SLIPPERY_ROAD
41
    severity: MEDIUM
42
    confidence: CONFIDENCE_MEDIUM
43
    description {
44
      language: DE
45
      text: "A5 Heidelberg Richtung Darmstadt Einfahrt Heidelberg/Schwetzingen Gefahr durch \303\226lspur, Anschlussstelle gesperrt"
46
    }
47
  }
48
}

Example: `type = STRONG_WIND`

1
metaData {
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  expirationTimeInEpochSeconds: 1743178340
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}
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message {
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  id {
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    id: "b242a169-8848-411e-ae52-39048d28ea15"
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    version: "12"
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  }
10
  location {
11
    type: LINEAR
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    openlr {
13
      base64: "CwIBPh49KAEQRwXs868Be5tY"
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    }
15
    coordinate {
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      longitudeInDegrees: 2.81901
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      latitudeInDegrees: 42.50084
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    }
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    coordinateSequence {
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      coordinateSequence {
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        longitudeInDegrees: 2.81901
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        latitudeInDegrees: 42.50084
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      }
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      coordinateSequence {
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        longitudeInDegrees: 2.81902
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        latitudeInDegrees: 42.50082
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      }
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      coordinateSequence {
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        longitudeInDegrees: 2.81934
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        latitudeInDegrees: 42.50042
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      }
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      coordinateSequence {
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        longitudeInDegrees: 2.81962
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        latitudeInDegrees: 42.50006
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      }
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      coordinateSequence {
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        longitudeInDegrees: 2.81967
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        latitudeInDegrees: 42.5
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      }
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      coordinateSequence {
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        longitudeInDegrees: 2.82004
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        latitudeInDegrees: 42.49961
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      }
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      coordinateSequence {
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        longitudeInDegrees: 2.82036
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        latitudeInDegrees: 42.49929
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      }
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    }
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  }
50
  times {
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    reportingTimeInEpochSeconds: 1743174900
52
    startTimeInEpochSeconds: 1743174900
53
    lastUpdatedTimeInEpochSeconds: 1743176540
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  }
55
  hazard {
56
    category: WEATHER
57
    type: STRONG_WIND
58
    severity: MEDIUM
59
    strongWindDetailInformation {
60
      forHighSidedVehicles: false
61
    }
62
  }
63
}

Example: `type = THUNDERSTORM`

1
metaData {
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  expirationTimeInEpochSeconds: 1749736665
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}
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message {
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  id {
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    id: "40a6e519-bd6f-4ff4-adbd-f4deb040246a"
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    version: "1"
9
  }
10
  location {
11
    type: AREA
12
    openlr {
13
      base64: "E1zdhxdLgP//AAr/+QA//+sAxABqAAwAagAIAEoAAgAc/vL+9f/s"
14
    }
15
    coordinate {
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      longitudeInDegrees: 130.593140562
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      latitudeInDegrees: 32.7601760945
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    }
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    coordinateSequence {
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      coordinateSequence {
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        longitudeInDegrees: 130.591876135
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        latitudeInDegrees: 32.758463054
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      }
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      coordinateSequence {
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        longitudeInDegrees: 130.591865668
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        latitudeInDegrees: 32.758562667
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      }
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      coordinateSequence {
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        longitudeInDegrees: 130.591798638
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        latitudeInDegrees: 32.759196414
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      }
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      coordinateSequence {
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        longitudeInDegrees: 130.591591803
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        latitudeInDegrees: 32.761155775
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      }
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      coordinateSequence {
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        longitudeInDegrees: 130.592649883
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        latitudeInDegrees: 32.761278802
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      }
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      coordinateSequence {
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        longitudeInDegrees: 130.593714553
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        latitudeInDegrees: 32.76136064
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      }
44
      coordinateSequence {
45
        longitudeInDegrees: 130.594459442
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        latitudeInDegrees: 32.761377306
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      }
48
      coordinateSequence {
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        longitudeInDegrees: 130.594743528
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        latitudeInDegrees: 32.758678892
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      }
52
      coordinateSequence {
53
        longitudeInDegrees: 130.592072023
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        latitudeInDegrees: 32.758477865
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      }
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      coordinateSequence {
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        longitudeInDegrees: 130.591876135
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        latitudeInDegrees: 32.758463054
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      }
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    }
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  }
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  times {
63
    reportingTimeInEpochSeconds: 1748311200
64
    startTimeInEpochSeconds: 1748311200
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    lastUpdatedTimeInEpochSeconds: 1749734865
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  }
67
  hazard {
68
    category: NATURAL_DISASTER
69
    type: THUNDERSTORM
70
    severity: MEDIUM
71
    description {
72
      language: JA
73
      text: "24時間で雷を伴う豪雨が降り、特に夕方に強い雷鳴が響いた。"
74
    }
75
  }
76
}

Example: `type = VOLCANO`

1
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  expirationTimeInEpochSeconds: 1749736665
4
}
5
message {
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  id {
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    version: "1"
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  }
10
  location {
11
    type: AREA
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    openlr {
13
      base64: "E1zdhxdLgP//AAr/+QA//+sAxABqAAwAagAIAEoAAgAc/vL+9f/s"
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    }
15
    coordinate {
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      longitudeInDegrees: 130.593140562
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      latitudeInDegrees: 32.7601760945
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    }
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    coordinateSequence {
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      coordinateSequence {
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        longitudeInDegrees: 130.591876135
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        latitudeInDegrees: 32.758463054
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      }
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      coordinateSequence {
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        longitudeInDegrees: 130.591865668
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        latitudeInDegrees: 32.758562667
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      }
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      coordinateSequence {
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        longitudeInDegrees: 130.591798638
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        latitudeInDegrees: 32.759196414
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      }
32
      coordinateSequence {
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        longitudeInDegrees: 130.591591803
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        latitudeInDegrees: 32.761155775
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      }
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      coordinateSequence {
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        longitudeInDegrees: 130.592649883
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        latitudeInDegrees: 32.761278802
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      }
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      coordinateSequence {
41
        longitudeInDegrees: 130.593714553
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        latitudeInDegrees: 32.76136064
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      }
44
      coordinateSequence {
45
        longitudeInDegrees: 130.594459442
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        latitudeInDegrees: 32.761377306
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      }
48
      coordinateSequence {
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        longitudeInDegrees: 130.594743528
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        latitudeInDegrees: 32.758678892
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      }
52
      coordinateSequence {
53
        longitudeInDegrees: 130.592072023
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        latitudeInDegrees: 32.758477865
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      }
56
      coordinateSequence {
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        longitudeInDegrees: 130.591876135
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        latitudeInDegrees: 32.758463054
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      }
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    }
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  }
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  times {
63
    reportingTimeInEpochSeconds: 1748311200
64
    startTimeInEpochSeconds: 1748311200
65
    lastUpdatedTimeInEpochSeconds: 1749734865
66
  }
67
  hazard {
68
    category: NATURAL_DISASTER
69
    type: VOLCANO
70
    severity: MEDIUM
71
    description {
72
      language: JA
73
      text: "霧島山（新燃岳）に火口周辺警報（噴火警戒レベル2、火口周辺規制）を発表＞\n　新燃岳では、引き続き小規模な噴火の可能性がありますので、新燃岳火口から概ね2ｋｍの範囲では大きな噴石等に警戒してください。\n＜噴火警戒レベルを3（入山規制）から2（火口周辺規制）に引下げ"
74
    }
75
  }
76
}

Example: `type = WILDFIRE`

1
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  expirationTimeInEpochSeconds: 1749736665
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}
5
message {
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  id {
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    version: "1"
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  }
10
  location {
11
    type: AREA
12
    openlr {
13
      base64: "E1zdhxdLgP//AAr/+QA//+sAxABqAAwAagAIAEoAAgAc/vL+9f/s"
14
    }
15
    coordinate {
16
      longitudeInDegrees: 130.593140562
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      latitudeInDegrees: 32.7601760945
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    }
19
    coordinateSequence {
20
      coordinateSequence {
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        longitudeInDegrees: 130.591876135
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        latitudeInDegrees: 32.758463054
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      }
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      coordinateSequence {
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        longitudeInDegrees: 130.591865668
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        latitudeInDegrees: 32.758562667
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      }
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      coordinateSequence {
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        longitudeInDegrees: 130.591798638
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        latitudeInDegrees: 32.759196414
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      }
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      coordinateSequence {
33
        longitudeInDegrees: 130.591591803
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        latitudeInDegrees: 32.761155775
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      }
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      coordinateSequence {
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        longitudeInDegrees: 130.592649883
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        latitudeInDegrees: 32.761278802
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      }
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      coordinateSequence {
41
        longitudeInDegrees: 130.593714553
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        latitudeInDegrees: 32.76136064
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      }
44
      coordinateSequence {
45
        longitudeInDegrees: 130.594459442
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        latitudeInDegrees: 32.761377306
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      }
48
      coordinateSequence {
49
        longitudeInDegrees: 130.594743528
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        latitudeInDegrees: 32.758678892
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      }
52
      coordinateSequence {
53
        longitudeInDegrees: 130.592072023
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        latitudeInDegrees: 32.758477865
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      }
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      coordinateSequence {
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        longitudeInDegrees: 130.591876135
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        latitudeInDegrees: 32.758463054
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      }
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    }
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  }
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  times {
63
    reportingTimeInEpochSeconds: 1748311200
64
    startTimeInEpochSeconds: 1748311200
65
    lastUpdatedTimeInEpochSeconds: 1749734865
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  }
67
  hazard {
68
    category: NATURAL_DISASTER
69
    type: WILDFIRE
70
    severity: MEDIUM
71
    description {
72
      language: JA
73
      text: "長引く乾燥と強風により、火災が発生しました"
74
    }
75
  }
76
}

Example: `type = WRONG_WAY_DRIVER`

NOTE: Usually there is a second wrong way driver message for the opposite direction.

1
metaData {
2
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}
4
message {
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  id {
6
    id: "5cab5df4-7104-4ae4-b09d-547c80643cf0"
7
    version: "1"
8
  }
9
  location {
10
    type: LINEAR
11
    locationName {
12
      roadName: "A2, E34"
13
      roadNumber: "A2 - E34"
14
      fromLocation: "Hamm-Uentrop (A2)"
15
      toLocation: "B\303\266nen (A2)"
16
    }
17
    openlr {
18
      base64: "CwWq2iTC2AET0M7B5HUBF2rd+/r5AUYB"
19
    }
20
    coordinate {
21
      longitudeInDegrees: 7.96975
22
      latitudeInDegrees: 51.69529
23
    }
24
    coordinateSequence {
25
      coordinateSequence {
26
        longitudeInDegrees: 7.96975
27
        latitudeInDegrees: 51.69529
28
      }
29
      coordinateSequence {
30
        longitudeInDegrees: 7.75659
31
        latitudeInDegrees: 51.61191
32
      }
33
    }
34
    frc: FRC_0
35
  }
36
  times {
37
    reportingTimeInEpochSeconds: 1743003221
38
    lastUpdatedTimeInEpochSeconds: 1743003258
39
  }
40
  hazard {
41
    category: TRAFFIC
42
    type: WRONG_WAY_DRIVER
43
    severity: MAJOR
44
    description {
45
      language: DE
46
      text: "A2 Hannover - Dortmund\nzwischen Hamm-Uentrop und B\303\266nen\nin beiden Richtungen Achtung, Ihnen kommt ein Falschfahrer entgegen, nicht \303\274berholen, Vorsicht auf beiden Richtungsfahrbahnen"
47
    }
48
  }
49
}