IFC 4.3.0.0 (IFC4X3) final

7.9.2.1 IfcRoadPartTypeEnum

7.9.2.1.1 Semantic definition

The predefined type container that collects all possible road facility part types together into the implemented enumeration.

7.9.2.1.2 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.

Table 7.9.2.1.A

7.9.2.1.3 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;

7.9.2.1.4 References