The projects include emergency vehicle preemption, adaptive traffic signals, rail-crossing alerts and traffic-monitoring ...

The purpose of any road sign is to convey specific information, but exactly how it's presented has changed over the years as ...

Stoplights have three different and distinct colors -- red, amber, and green -- and those colors were chosen with specific ...

What do you think of a fourth traffic light color being added to traffic signals for self-driving vehicles to help control traffic flow? I get that one day a bunch of connected autonomous cars may ...

Your average driver might like to bemoan them, but traffic lights play an integral part in not only controlling traffic patterns in urban and suburban areas, but also helping to keep drivers and ...

With GPS data from as little as 6% of vehicles on the road, researchers can recalibrate traffic signals to significantly reduce congestion and delays at intersections. With GPS data from as little as ...

There’s a well-known movie trope in which a hacker takes control of the traffic lights in a city, causing general mayhem or creating a clear getaway path. Unlike many Hollywood representations of ...

Drivers along some highly-traveled Poway streets will soon have a modified traffic flow experience. Traffic signals are being upgraded in Poway to improve traffic flow on the roadways, first on Espola ...

New road signs are coming to Indiana's highways to mark not only the nation's 250th anniversary, but an important milestone ...