太子探花

Drivers pay less to DC for red-light camera tickets after tweak, but no refunds planned

Credit: WTOP/Neal Augenstein

Drivers pay less to DC for red-light camera tickets after tweak, but no refunds planned

Md. bill wants drivers seeing more yellow, not red at traffic lights

Md. bill wants drivers seeing more yellow, not red at traffic lights

Traffic signal upgrades could speed up buses, emergency vehicles in Fairfax Co.

Traffic signal upgrades could speed up buses, emergency vehicles in Fairfax Co.

D.C. to audit traffic system security vulnerabilities

D.C. to audit traffic system security vulnerabilities

Hacker: D.C. traffic system vulnerable

Hacker: D.C. traffic system vulnerable

New traffic-light timing seeks to unclog D.C. intersections

New traffic-light timing seeks to unclog D.C. intersections

More traffic lights

There’s a science to timing traffic lights

There’s a science to timing traffic lights

New traffic lights, sidewalks coming to parts of Arlington

New traffic lights, sidewalks coming to parts of Arlington

Councilmember wants Md. to pay for backup power for traffic lights

Councilmember wants Md. to pay for backup power for traffic lights

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