Red means stop, green means go - but what about blue? You may have seen blue lights on top of traffic signals at some ...

Hudson has installed 16 new adaptive traffic signals at major intersections to improve traffic flow and decrease congestion ...

Some bicycle signals stand alone, while others are incorporated into regular traffic signals. Some are timed, while others are activated when a bicyclist approaches the intersection, the study found.

Instead of one bulb, LED traffic signals contain about 200 pencil-eraser-size points of light. In the past, the light from green LEDs was too faint to use in traffic signals.

Drivers traveling along South Rampart across Canal Street have just 10 seconds to make it through the stoplight.

A “white light” added to traffic signals could enable self-driving vehicles to help control traffic flow—and let human drivers know what’s going on. In computational simulations, the new ...

These simulators are showing researchers that traffic improves with the presence of AVs and a fourth traffic light and that fuel consumption is much lower as there is much less stop-and-go movement.

Airton Kohls helped create the Traffic Signal Academy to address the shortage of trained professionals managing traffic signals across Tennessee.

Red light penetrates best. By the 1860s traffic conditions in London prompted officials to seek a way of controlling horse-drawn carriages with a signal system and opted for the railroad scheme of ...

Drivers who are sick of squinting at tiny signs identifying street names asked why large street signs aren't mounted on all traffic signals. Skip to Article. Set weather.

PENNSYLVANIA (WHTM) — On many traffic signals found throughout the United States and Pennsylvania, there is a small light that is placed in between or off to the side of the traffic signal lights.