# description
The direction of travel of a transport service along a route, typically expressed as inbound or outbound.

# properties.directionId.description
Binary direction identifier (0 for one direction, 1 for the other)

# properties.directionCode.description
Named direction code (e.g. INBOUND, OUTBOUND, CLOCKWISE)

# properties.media.description
Media resource URLs (images, audio, video)