An investigation of taxis, Lyft and Uber in major cities found that one in three cars do not have federally-mandated safety recall work completed. TEGNA-owned television stations, 10Investigates in Tampa, Florida, and Cars.com collaborated to review thousands of vehicle identification numbers for taxis and ride-sharing services.

The story lists findings in eight major cities across the country, as well as how taxi and ride-sharing companies have reacted to these findings. It also outlines the process for checking a vehicle for any outstanding recalls and provides readers with a link to check their own vehicle.