This Standard applies to car bodies for newly constructed light-rail vehicles for transit passenger service in North America. The Standard defines requirements for the incorporation of passive safety design concepts related to the performance of the car body of light-rail vehicles in collisions, so as to enhance passenger safety and limit and control damage. This Standard does not cover heavy-rail transit vehicles, automated people movers, and freight, commuter, high speed, or any other rail vehicles under the jurisdiction of the Federal Railroad Administration.