U.S./Canada Mud Flap Requirements Guide
Explore mud flap and splash guard regulations for trucks, buses, and trailers across all 50 U.S. states, Washington, DC, and all 10 Canadian provinces and 3 territories.
Under National Highway Traffic Safety Administration regulations, each motor vehicle must contain a vehicle identification number (VIN), which is a 17-character number that encodes specific information about the particular vehicle. Learn compliance responsibilities for those who develop and attach VINs to 2010 model year and newer vehicles.