Ben Chartoff, Harlo Holmes, Brian Jacobs, Aurelia Moser, Gabriela Rodriguez and Marcos Vanetta, Knight-Mozilla OpenNews; Al Shaw and Mike Tigas, ProPublica:

Use this database to look up how your tires are rated by the National Highway Traffic Safety Administration. Ratings include temperature, traction and treadware.

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