Useful Links

Canadian Links

U.S. Links

Code of Federal Regulations, Title 49 – Transportation -Chapter V–National Highway Traffic Safety Administration, Department of Transportation

523Vehicle Classification
567Certification
568Vehicles manufactured in two or more stages--All incomplete, intermediate and final-stage manufacturers of vehicles manufactured in two or more stages
571Federal motor vehicle safety standards
573Defect and noncompliance responsibility and reports
576Record retention
577Defect and noncompliance
579Reporting of
595Make inoperative exemptions

NHTSA – Recalls and Defects
Motor Vehicle Defects and Safety Recalls: What Every Vehicle Owner Should Know – Download PDF

NHTSA – Interpretation Files Search

NHTSA –Test Procedures Reports and Information

TREAD Act

Early Warning Reporting (EWR) provisions of the Transportation Recall Enhancement, Accountability and Documentation (TREAD) Act

Compendium for Early Warning Reporting for Manufacturers of Motor Vehicles Having an Annual Production of 500 or More Vehicles

Compendium for Early Warning Reporting for Manufacturers of Motor Vehicles Producing Fewer Than 500 Annually

Compendium for Early Warning Reporting for Manufacturers of Motor Vehicle Equipment

International Links

European Regulations related to Crash Testing

The UNECE Transport Division

Automotive Reference documents – UNECE regulations for motor vehicles

Other Useful Links

Height, Wheel Base and Wheel Track Center of Gravity Calculator