University of Michigan researchers have worked with General Motors in Oakland County on better traffic signal timing.
A new study suggests a fourth, white traffic light could let self-driving cars manage intersections more efficiently ...
The Texas Department of Transportation says it is developing plans to construct more traffic lights in the southwest section ...
Temporary traffic lights should be controlled manually at peak times to minimise congestion during ongoing roadworks, an energy company has said. The permit for works being carried out by SP ...