A pink traffic sign may seem like a whimsical choice, but it’s actually trying to tell you something important ...

Traffic signs have to communicate crucial information quickly and simply, to anyone who might be on the road. They use letters and numbers to lay out information in plain language but they also use ...

CheapInsurance.com reports a guide to road warning signs, explaining their meanings, functions, colors, shapes, and categories for safer driving.

A traffic sign spotted Friday near downtown Kansas City mistakenly identifies Interstate 70 as a U.S. highway instead of an interstate. The sign appears above the northbound lanes of Interstate 35 ...

Instead of displaying traveling times for getting through downtown Seattle, a sign overhead Aurora Avenue North on a recent morning commute displayed a secret, cryptic code — “*”. Just kidding: The ...

A thin film that reflects light in intriguing ways could be used to make road signs that shine brightly and change color at night, according to a study that will be published on Aug. 9 in Science ...