You might have seen some funny messages on electronic highway signs, especially in Pennsylvania. Here's why PEnnDOT's jokes ...

Whether it’s updating drivers on road conditions, managing emergency response, or displaying traffic signs with a sense of humor, Houston TranStar is at the heart of the region’s transportation ...

The new traffic signal system is going to give pedestrians about a three-second head start, called a leading pedestrian ...

High wind areas also benefit from horizontal lights, and states like Florida and Nebraska definitely deal with high winds ...