Journalism in the Public Interest

Use this database to look up how your tires are rated by the National Highway Traffic Safety Administration. Ratings include temperature, traction and treadware. Learn more about the tire quality metrics »

This project was built during a two-day hackathon by the 2014 Knight-Mozilla OpenNews fellowship class and news application developers from ProPublica. Read more about this project »

The grid below shows how well NHTSA rates the traction on some top selling tires according to Tire Review (from grade AA to C).

The number of a brand’s tires with a given score is shown in the middle of each square. Darker boxes mean more tires with that score. Click on the brand names to see how NHTSA rates all of its tires.

Sources: NHTSA Uniform Tire Quality Grading Standards,