FMCSA stands for Federal Motor Carrier Safety Administration. It is an agency
of the U.S. Department of Transportation (DOT) that was created in 2000. Its
primary aim is to improve the safety performance of commercial vehicles,
(e.g., large trucks, buses) and minimize accidents across the United States
Duties include researching, developing, testing and enforcing safety standards
for commercial motor vehicles and commercial driver’s license holders.
The FMCSA also issues USDOT numbers and operating authority to trucking companies.