Pset_Superelevation Specifies the general properties for a Superelevation event. IfcReferent/SUPERELEVATIONEVENT IfcReferent/SUPERELEVATIONEVENT Side Specifies if the width 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. LEFT RIGHT BOTH LEFT Left side Left side RIGHT Right side Right side BOTH Both sides Superelevation Specifies the superelevation as a ratio measure (slope) at the location of the event. TransitionSuperelevation The type of transition of superelevation from previous event to this one. LINEAR LINEAR Specifies that the transition of the superelevation between the previous superelevation event and this event shall be linearly interpolated.