The Federal Motor Carrier Safety Administration (FMCSA) is an agency within the United States Department of Transportation (DOT) responsible for regulating the trucking industry and promoting safety on the nation's highways. The FMCSA sets and enforces safety regulations for commercial motor vehicles, including large trucks and buses, to reduce crashes, injuries, and fatalities involving these vehicles. The regulations cover areas such as driver qualifications, hours of service, vehicle maintenance, and hazardous materials transportation. The FMCSA also provides educational and outreach programs to raise awareness about truck and bus safety, and it collects and analyzes data to identify trends and areas in need of improvement. Additionally, the agency works with state and local law enforcement agencies to ensure that motor carriers comply with safety regulations. Overall, the FMCSA's mission is to reduce crashes, injuries, and fatalities involving commercial motor v...