Standard 224: Rear Impact Protection

Scope and Purpose:
This standard establishes requirements for the installation of rear impact guards on trailers and semitrailers with a GVWR of 4,536 kg (10,000 lb) or more. The purpose of this standard is to reduce the number of deaths and serious injuries occurring when light duty vehicles impact the rear of trailers and semitrailers with a GVWR of 4,536 kg (10,000 lb) or more.

Application:
Trailers and semitrailers with a GVWR of 4,536 kg (10,000 lb) or more Pole trailers, pulpwood trailers, low chassis vehicles, special purpose vehicles, wheels back vehicles, or temporary living quarters as defined in 49 CFR 529.2 are exempt