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

The choices made as to whether traffic lights are mounted vertically or horizontally reflect traffic clearance, resistance to ...

For nearly a century, the trio of red, yellow, and green has governed our intersections. These universally recognized signals ...

Waze has begun early testing of traffic light icons with strict limits, signalling progress on a feature users have wanted for years, though wider availability remains uncertain.

PORTLAND, Ore. (KOIN) — NE Airport Way is blocked Thursday morning after a crash that killed a motorcyclist. According to Portland police, officers responded to reports of the crash on Airport Way at ...

ORANGE COUNTY, Fla. – A crash on I-4 is creating delays Friday morning in Orange County. The crash happened in the eastbound lanes near mile marker 70. Traffic cameras in the area showed the left ...

Traffic Lab is a Seattle Times project that digs into the region’s transportation issues to explore the policies and politics that determine how we get around and how billions of dollars in public ...

South King County commuters can finally trade three-bus transfers for a single train ride starting Saturday, Dec. 6. For local restaurants, the new hungry passengers can't arrive soon enough. Sound ...

Traffic signal timing technology from the University of Michigan could cut down on congestion, To operate, the system uses vehicle Global Positioning System data. Traffic signal timing technology that ...

Eight more miles of light rail tracks will open to the public this weekend when service expands from Angle Lake south to downtown Federal Way on Saturday morning. Public transit advocates have been ...

Photons, for centuries both a puzzle and a tool, continue to help scientists illuminate nature at the smallest and largest scales. Photons, the fundamental particles of the electromagnetic field that ...

Traffic Lab is a Seattle Times project that digs into the region’s transportation issues to explore the policies and politics that determine how we get around and how billions of dollars in public ...