A TravelledWaySegment is a type of a transinfras:TravelledWaySegment and NetworkElement that represents a contiguous length of a TravelledWayLink characterized by the same physical characteristics.
A RoadSegment is a type of TravelledWaySegment and transinfas:RoadSegment that represents a portion of a RoadLink with common physical characteristics.
A TravelCorridorSegment is a type of TravelledWaySegment that logically groups multiple TravelledWaySegments together as being co-located or side-by-side.