Greenbelt, MD — From May 4 to 6, inspectors across North America checked braking systems, lights, tires and other commercial motor vehicle equipment during the Commercial Vehicle Safety Alliance’s 34th annual International Roadcheck.
Inspectors performed more than 40,000 examinations during the 72-hour enforcement and safety outreach event, placing 16.5% of vehicles and 5.3% of drivers out of service.
Among the citations issued:
- 3,767 brake adjustments and brake systems violations
- 1,804 tire violations
- 1,367 lighting violations
Hours-of-service violations were the most common driver out-of-service violation, at 41.5%. Out of the 23,135 North American Standard Level I inspections conducted, 21.8% of the vehicles and 5.2% of the drivers were found with out-of-service violations.
The 2020 Roadcheck resulted in 20.9% of vehicles and 5.1% of drivers being placed out of service.
The Federal Motor Carrier Safety Administration participates in the International Roadcheck program, along with the Canadian Council of Motor Transport Administrators, Transport Canada, and the Ministry of Communications and Transportation of Mexico.



