Type Alias Landmark

Landmark:
    | "END_OF_ROAD"
    | "AT_TRAFFIC_LIGHT"
    | "ON_TO_BRIDGE"
    | "ON_BRIDGE"
    | "AFTER_BRIDGE"
    | "INTO_TUNNEL"
    | "INSIDE_TUNNEL"
    | "AFTER_TUNNEL"

Type of landmarks that can be used in instructions.