Horizontal traffic lights are common in some parts of the U.S. and can confuse drivers unfamiliar with them. Here’s what you need to know about their meaning and why they're used.

"I've never waited more than 20 seconds for the new light to turn green." The bicycle signal cost $1,000 to install in Salem, according to assistant city traffic manager Tony Martin.

Fuqua, general superintendent of the DPW. The addition of the red arrow and accompanying signs is intended to create breaks in the traffic flow to let residents enter and exit driveways.

Petaluma drivers may soon experience a strange new traffic ... light: a protected-permissive left-turn signal, where a driver is still allowed to turn left after the "protected" green arrow ...

Minnesota Department of Transportation systems specialist Jerry Kotzenmacher stands in front of the traffic light at ... a flashing yellow arrow, rather than waiting for a green arrow ...

The standard traffic light and the new red-amber-green arrow light. “As a best practice, we will definitely try to put a pair (of lights) on the centre median. But sometimes we can’t due to ...

PennDOT released a statement to Newswatch 16 stating a left turn green arrow traffic light will be installed at Carverton Road. It is part of a larger highway project. "I just want to assure all ...

The universally known traffic light has ... the three-colour traffic light to Detroit. This innovation added a yellow “caution” light to the existing red and green signals – signalling ...