7.9.2.2 IfcRoadPartTypeEnum
7.9.2.2.1 Semantic definition
The predefined type container that collects all possible road facility part types together into the implemented enumeration.
7.9.2.2.2 Type values
| Type | Description | 
|---|---|
BICYCLECROSSING
 | 
 Designated level crossing over a road for cyclists.  | 
BUS_STOP
 | 
 Lateral part of Road for stopping buses allowing them to draw out of the traffic lanes and wait for short periods.  | 
CARRIAGEWAY
 | 
 Unitary lateral part of Road built for traffic. Carriageway may comprise several kinds of traffic lanes and lay-bys, as well as traffic islands, and in case of dual carriageway road they are separated by central reserve.  | 
CENTRALISLAND
 | 
 The center of a roundabout not intended for traffic, can be painted or upraised.  | 
CENTRALRESERVE
 | 
 Lateral RoadPart separating two carriageways of the same road or separating traffic lanes and sidewalk.  | 
HARDSHOULDER
 | 
 A type of Shoulder that is surfaced, providing for safe use by vehicles in distress.  | 
INTERSECTION
 | 
 At-grade junction where two or more roads meet or cross. Intersections may be further classified by number of road segments, traffic controls, and/or lane design.  | 
LAYBY
 | 
 A lateral part of Road where vehicles can divert from ordinary stream of traffic.  | 
PARKINGBAY
 | 
 Lateral part of Road for parking vehicles.  | 
PASSINGBAY
 | 
 A lateral part of Road that is a widening of an otherwise single lane road where a vehicle may move over to enable another vehicle to pass.  | 
PEDESTRIAN_CROSSING
 | 
 Designated level crossing over a road for pedestrians.  | 
RAILWAYCROSSING
 | 
 At-grade crossing between road and railway.  | 
REFUGEISLAND
 | 
 A raised platform or a guarded area so sited in the carriageway as to divide the streams of traffic and to provide a safety area for pedestrians.  | 
ROADSEGMENT
 | 
 Longitudinal, linear segment of a road, either defined by uniform characteristics, or as a transition segment (e.g. number of lanes changing).  | 
ROADSIDE
 | 
 A lateral RoadPart located along the Road adjoining the outer edges of the Shoulders. A general concept comprising the areas outside RoadwayPlateau not intended for vehicles.  | 
ROADSIDEPART
 | 
 A general concept for various parts of the Roadside.  | 
ROADWAYPLATEAU
 | 
 Lateral part of Road comprising the carriageway(s), shoulders and medians.  | 
ROUNDABOUT
 | 
 Type of at-grade junction at which traffic streams are directed around a circle.  | 
SHOULDER
 | 
 A lateral part of Road adjacent to, and usually at the same level as the Carriageway; not intended for vehicular traffic but may be used in case of emergency.  | 
SIDEWALK
 | 
 A footpath along the side of a road. May accommodate moderate changes in grade (elevation) and is normally separated from the vehicular section by a kerb. There may be a central reserve or road verge between the sidewalk and traffic lanes.  | 
SOFTSHOULDER
 | 
 A type of Shoulder that is not surfaced.  | 
TOLLPLAZA
 | 
 A part of road facility where tolls are collected for use of toll road, tunnel or bridge.  | 
TRAFFICISLAND
 | 
 A central or subsidiary area raised or marked on the carriageway, generally at a road junction or level crossing, shaped and placed so as to direct traffic movement and/or provide refuge for pedestrians.  | 
TRAFFICLANE
 | 
 Lateral part of carriageway designated to vehicular traffic for a particular purpose.  | 
USERDEFINED
 | 
 User-defined type  | 
NOTDEFINED
 | 
 Undefined type.  | 
7.9.2.2.3 Formal representation
TYPE IfcRoadPartTypeEnum = ENUMERATION OF
	(BICYCLECROSSING
	,BUS_STOP
	,CARRIAGEWAY
	,CENTRALISLAND
	,CENTRALRESERVE
	,HARDSHOULDER
	,INTERSECTION
	,LAYBY
	,PARKINGBAY
	,PASSINGBAY
	,PEDESTRIAN_CROSSING
	,RAILWAYCROSSING
	,REFUGEISLAND
	,ROADSEGMENT
	,ROADSIDE
	,ROADSIDEPART
	,ROADWAYPLATEAU
	,ROUNDABOUT
	,SHOULDER
	,SIDEWALK
	,SOFTSHOULDER
	,TOLLPLAZA
	,TRAFFICISLAND
	,TRAFFICLANE
	,USERDEFINED
	,NOTDEFINED);
END_TYPE;