Even though road signs already tend to be highly reflective, some night-time drivers still don't notice the things. New technology could help, as it causes signs to reflect in an attention-getting ...

BUFFALO, N.Y. — 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 published on Aug. 9 in Science ...

HI, TECH. YEAH, WE CAN SHOW YOU WHAT THAT LOOKS LIKE. TY. THE SIGNS WE’RE TALKING ABOUT HERE ARE THOSE ELECTRONIC ONES YOU SEE ALONG THE HIGHWAY THAT DISPLAY MESSAGES LIKE THIS HERE. MORE THAN TWO ...

Green highway signs are everywhere, but why are they green?

US Route 20 starts in Boston, Massachusetts, and ends in Newport, Oregon. It's America's longest highway, measuring approximately 3,365 miles. However, nobody needs to drive for almost four days to ...

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