Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Portions of DOT are affected by a lapse in appropriations. Website information may be outdated, transactions may be delayed, and inquiries may not be answered until funding is restored. Please monitor this page for updates.

Final rule.

FMCSA revises the Federal Motor Carrier Safety Regulations (FMCSRs) by requiring passengers in property-carrying commercial motor vehicles (CMVs) to use the seat belt assembly whenever the vehicles are operated on public roads in interstate commerce. This rule holds motor carriers and drivers responsible for ensuring that passengers riding in the property-carrying CMV are using the seat belts required by the Federal Motor Vehicle Safety Standards (FMVSSs).

View PDF