| Name | Type | Description | 
| Side | 
P_SINGLEVALUE
/
IfcLabel
/
 PEnum_SideType | 
Specifies if the superelevation is measured to the RIGHT or to the LEFT of the curve referenced by the placement, or if the same value is applied to BOTH sides.
 | 
| Superelevation | 
P_SINGLEVALUE
/
IfcRatioMeasure
 | 
Specifies the superelevation as a ratio measure (slope) at the location of the event.
 | 
| Transition | 
P_SINGLEVALUE
/
IfcLabel
/
 PEnum_TransitionSuperelevationType | 
The type of transition of superelevation from previous event to this one.
 |