According to a study by NHTSA, amber rear turn signals have proved 5.3% more effective than red turn signals in preventing crashes. The study focused on “switch pairs,” which are vehicles that ...

It’s common to see red turn signals in the U.S., even though many foreign countries use amber. In terms of safety and effectiveness, is there a difference when it comes to the color of your turn ...

The United States and Canada might be the only countries in the world that don’t require car companies to use amber lights for rear turn signals. There’s no good reason for it, other than that the ...