FMVSS 224

Rear Impact Protection

This Standard applies to trailers and semi-trailers with a GVWR of 10,000 lbs. (4,536 kg) or more. It requires those new trailers and semi-trailers to be equipped with a rear-impact guard conforming
to FMVSS 223. It also specifies that the guard is mounted on the trailer or semi-trailer in accordance with the instructions of the guard manufacturer.

Applicability:

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

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