PORTLAND, Ore. — Police confirmed Tuesday that a non-operating traffic light was a contributing factor in a Dec. 11 crash that killed a motorcyclist in Northeast Portland, and said the signals were ...

LAKE COUNTY, Fla. — Lake County and the Florida Department of Transportation plan to make changes at an intersection in Clermont that has seen a big jump in traffic in the past year. Doris D’Ambrosio ...

PINELLAS COUNTY, Fla. — If you see work being done on traffic lights around Pinellas County, it’s to make them stronger during storm season. Crews are working to convert the traffic lights on span ...

PORTLAND, Ore. (KPTV) - A suspected theft of copper wire connected to traffic light contributed to a deadly crash in northeast Portland earlier this month, according to the Portland Police Bureau. The ...

Researchers at North Carolina State University say a simple change to intersection signals could make daily traffic work better as more autonomous vehicles hit the road. Their idea is to add a white ...

San Francisco was affected by a massive power outage over the weekend. It started with a fire at a substation in the city on Saturday afternoon, causing a blackout that at times affected as much as a ...

Those blue lights above traffic signals aren’t decorative. Here’s what they’re for and why more cities are installing them. Blue confirmation lights help police spot and enforce red-light violations ...

PORTLAND, Ore. (KOIN) – Portland police investigating a deadly crash between a motorcycle and a semi truck are now saying a copper wire theft from a traffic light box led to the collision earlier in ...

Update: On Sunday afternoon, Waymo said its fleet was back on the roads. Waymo said Saturday that it was stopping service across San Francisco after numerous online videos showed its autonomous ...