As cars and trucks get smarter and more connected, the humble lights that have controlled the flow of traffic for more than a century could also be on the cusp of a major transformation. Researchers ...

The colors of flashing lights are now changing in an emergency or power failure. The NCDOT says traffic signals will now be modified so they will flash red in every direction whenever there is a ...

Red, amber, green – traffic lights are pretty much the same the world over, and have been for more than a century. However, ...