Bus Emergency Exits and Window Retention and Release

This Standard applies to buses, except buses manufactured for the purpose of transporting persons under physical restraint. It establishes requirements for the retention of windows, other than windshields, in buses and establishes operating forces, opening dimensions and markings for bus emergency egress.


Trucks & MPVs 10,000 GVWR or Less No 
Trucks More than 10,000 GVWR No 
Buses 10,000 GVWR or Less Yes
Buses More than 10,000 GVWR Yes
Trailers No 

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