Urban mobility problems demand clarity. Intersections remain the most common sites for crashes, congestion, and violations.

Has anyone actually confirmed that it was just the traffic lights being out? I bet it had more to do with the cell network being down. The cars use cellular for emergency control. Edited (not sure how ...

Yes, did you not see the comment from Waymo? It was the traffic lights." And you believe Waymo because..... It seems much more likely that their cars grid-locked due to not being able to receive ...

If robotaxis and driverless cars get more popular, we may need to adjust existing infrastructure. One such adjustment is ...

The Orland Park Police Department is launching a program to boost squad vehicle visibility with hopes of deterring crime through use of nonflashing lights. In contrast to flashing red and blue ...

A new traffic signal preemption system launched along the Plainfield Avenue corridor automatically cycles lights to green as ...

Work to replace three sets of traffic lights in and around the Chesterfield area is due to begin, the county council has announced. Derbyshire County Council said it was carrying out the work as the ...

Researchers have developed a low-cost visible light communication (VLC) system using commercially available hardware that enables stable data transmission even under strong ambient light. By ...

Traffic Lights: If you stop at a traffic signal, you will always see the same three colours — red, yellow and green. While modern technology has transformed vehicles and roads, traffic lights across ...

SAN FRANCISCO (KGO) -- Waymo, the operator of driverless ride-hailing vehicles, was also impacted by the massive power outage in San Francisco. Numerous people reported on social media seeing the ...

At Star of the Sea Church, the power is out, but mass is still on, with candles illuminating the church. Photo by Junyao Yang on Dec. 21, 2025. PG&E electricians were out in force in the Richmond ...

Work on the lights at the junction of the A632 Walton Road and Whitecotes Lane in Chesterfield is set to start on Monday Work to replace three sets of traffic lights in and around the Chesterfield ...