Green highway signs, also called guide signs, are everywhere, and we pass them by without much thought. But their design has a big role in getting us where we need to go safely. Why are highway signs ...

When traveling, it's normal to look out for gas stations, rest stops, police cars and more. However, there are plenty of other interesting things that can catch your eye. (For example, unique bumper ...

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

Despite the overall ease of controlling a car, the statistics still show many drivers get into accidents. Although it’s not always the fault of the person behind the wheel, people can often trip over ...

DOVER, Delaware (WPVI) -- At some point during our summer road trips, we may have encountered some witty traffic signs on highways. Delaware DOT is driving home the laughs while delivering serious ...

Autonomous vehicles operate in a complex environment, and recognizing traffic signs is an important part of that. A new microstructured material reflects light in rainbow rings, which can make traffic ...

PENNSYLVANIA (WHTM) — We see them every time we are on a highway or road: traffic signs. But did you know that PennDOT categorizes these signs? According to PennDOT, signs are divided into three ...