You may be required to comply with this standard if you are involved in the design or manufacture of buses which have 2 or 3 axles and a single steer axle. For a bus equipped with an approved air suspension system to be declared a complying bus it must meet the emergency exit specifications in this standard.
The standard specifies requirements for the construction of vehicles designed for a specific purpose. The requirements include those for the mechanical coupling of vehicles. Please consult the Contact Officer for more information and to ascertain the level of compliance that may be required.