7.9.4.13 Pset_RoadDesignCriteriaCommon
7.9.4.13.1 Semantic definition
Road design criteria that may be attached to road parts.
7.9.4.13.2 Applicable entities
- IfcFacilityPartCommon/JUNCTION
 - IfcFacilityPartCommon/LEVELCROSSING
 - IfcFacilityPartCommon/SEGMENT
 - IfcRoadPart/BICYCLECROSSING
 - IfcRoadPart/INTERSECTION
 - IfcRoadPart/PEDESTRIAN_CROSSING
 - IfcRoadPart/RAILWAYCROSSING
 - IfcRoadPart/ROADSEGMENT
 - IfcRoadPart/ROUNDABOUT
 - IfcRoadPart/TOLLPLAZA
 - IfcRoad
 
7.9.4.13.3 Properties
| Name | Property Type | Data Type | Description | |
|---|---|---|---|---|
| Crossfall | IfcPropertySingleValue | IfcRatioMeasure | 
 Specifies the nominal crossfall as a ratio measure (slope) at the location of the event.  | 
|
| DesignSpeed | IfcPropertySingleValue | IfcLinearVelocityMeasure | 
 Speed selected in designing a new road or in modernizing, strengthening or rehabilitating an existing road section, to determine the various geometric design features of the carriageway that allow a car to travel safely at that speed, under normal road surface and weather conditions.  | 
|
| DesignTrafficVolume | IfcPropertySingleValue | IfcCountMeasure | 
 The traffic volume used for planning and design purposes specified as the number of vehicles per day . Typically given as AADT - Average Annual Daily Traffic  | 
|
| DesignVehicleClass | IfcPropertySingleValue | IfcLabel | 
 A vehicle designator with content according to local standards.  | 
|
| LaneWidth | IfcPropertySingleValue | IfcPositiveLengthMeasure | 
 Standard nominal width of one trough lane.  | 
|
| NumberOfThroughLanes | IfcPropertySingleValue | IfcCountMeasure | 
 The total number of through lanes on the segment. This excludes auxiliary lanes, parking and turning lanes, acceleration/deceleration lanes, toll collection lanes, shoulders etc.  | 
|
| RoadDesignClass | IfcPropertySingleValue | IfcLabel | 
 A road design class designator with content according to local standards.  |