State Mud Flap Requirements Guide
Explore mud flap and splash guard regulations for trucks, buses, and trailers across all 50 states and Washington, DC.
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.