Pset_RoadDesignCriteriaCommon Road design criteria that may be attached to road parts. IfcRoad IfcFacilityPartCommon/JUNCTION IfcFacilityPartCommon/LEVELCROSSING IfcFacilityPartCommon/SEGMENT IfcRoadPart/BICYCLECROSSING IfcRoadPart/INTERSECTION IfcRoadPart/PEDESTRIAN_CROSSING IfcRoadPart/RAILWAYCROSSING IfcRoadPart/ROADSEGMENT IfcRoadPart/ROUNDABOUT IfcRoadPart/TOLLPLAZA IfcRoad,IfcFacilityPartCommon/JUNCTION,IfcFacilityPartCommon/LEVELCROSSING,IfcFacilityPartCommon/SEGMENT,IfcRoadPart/BICYCLECROSSING,IfcRoadPart/INTERSECTION,IfcRoadPart/PEDESTRIAN_CROSSING,IfcRoadPart/RAILWAYCROSSING,IfcRoadPart/ROADSEGMENT,IfcRoadPart/ROUNDABOUT,IfcRoadPart/TOLLPLAZA Crossfall Specifies the nominal crossfall as a ratio measure (slope) at the location of the event. DesignSpeed 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. >NOTE  Definition according to PIARC. > >NOTE  The design speed is not constant, but may vary depending on the conditions of relief (plain, hill, mountain). DesignTrafficVolume 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 A vehicle designator with content according to local standards. LaneWidth Standard nominal width of one trough lane. NumberOfThroughLanes 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 A road design class designator with content according to local standards.