Red is used exclusively for regulatory road signs prohibiting doing something. So, a stop sign is red because you are ...

A drive down I-95 is full of dozens, probably hundreds, of tiny design decisions that are ultimately about driver attention. From the lettering on a road sign to the shape of a road, engineers are ...

How many can you correctly identify? THE 10 common road signs that even the most experienced drivers often forget, according to driving instructors and traffic wardens. Here are the 10 UK road signs ...

During rush hour, queues several kilometres long form on Kifissos and Attiki Odos, the main motorways into the capital of 3.8 million - Copyright AFP Theophile ...