Traffic lights today are controlled by computers and other purpose-built systems, but what did people do before computers ...

The county is starting a project that could use new technology to better monitor traffic through Silverdale Way.

A new study suggests a fourth, white traffic light could let self-driving cars manage intersections more efficiently ...

After a successful trial run of a system that allows devices on emergency vehicles to control traffic signals while on ...

Drivers in Murrysville will be detoured briefly on Friday, as work crews repair a traffic signal control box that was damaged in a crash where Manor and Mellon roads meet Route 22. Murrysville Chief ...

On Monday, the head of the D.C.-based union for air traffic controllers said even if the federal government reopens soon, the ...