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

Before the advent of computers, traffic lights were a marvel of mechanical and electromechanical engineering, utilizing ...

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

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

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

Murrysville officials have had problems in recent years with crashes on Route 22 causing damage to the electrical boxes that control several traffic lights along the highway. The municipality plans to ...