Heck, even a toddler can tell you that stop signs are red. That’s because since the 1950s, red has been the required background color for all government-regulated stop signs in the United States. But ...

The stop sign is one of the most recognizable symbols on the road. Its octagonal shape and bright red color are universally understood, but sometimes, you might come across one that’s a different ...

The E.P.A. under Trump is moving to eliminate credits to carmakers for the fuel-saving start-stop function. By Ben Blatt Would you be willing to pay more for gas if your car could be a little less ...

The congested roads of cities like Philadelphia were not built to foster a harmonious relationship between throngs of motorists and outnumbered cyclists who don't get much space to operate. Josh Kim, ...