After years of testing, the Maryland State Highway Administration announced that ramp metering signals along northbound I-270 ...

As you begin to enter a California highway, you might encounter a ramp meter telling you when you can — or cannot — merge without stopping. What are the rules when those lights are active at on-ramps?

SPOKANE, Wash. — A new ramp meter on the eastbound US 2 on-ramp to I-90 will activate on Thursday, July 6. Starting Thursday, engineers from the Washington Department of Transportation (WSDOT) will ...

New ramp meters will help smooth traffic flow and ease congestion along eight miles of Interstate 5 between Tukwila and Federal Way, the Washington State Department of Transportation reports. WSDOT ...

Ramp metering is set to take effect Tuesday in Montgomery and Frederick counties as officials look to kickstart ways to ...

The ramp meters project to relieve rush-hour congestion along the Pontchartrain Expressway has taken another step forward. Jack B. Harper Electrical of Walker was announced Wednesday as the apparent ...