Cold Weather Slows Down Many Things...Including Traffic LightsThere are about 3,000 traffic signals in Philadelphia, and some are more susceptible to cold than others.
Pa. Senate Approves Red-Light Cameras In 19 Cities A bill that would authorize 19 more cities in Pennsylvania to install red-light cameras in an effort to improve traffic safety is headed to the state House.
Philadelphia Traffic Lights Creating Big Headaches For Streets DepartmentThe Philadelphia Streets Department fights daily skirmishes with balky traffic lights, some of which can cause major headaches.

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