From Wazeopedia
=== Red light cameras ===
Philadelphia is currently the only city with red light cameras. Red light cameras are legal in a few cites and suburban towns. The following cities & municipalities that are the only places where the use of Red Light Cameras are permitted. Philadelphia, Pittsburgh, and municipalities in Bucks, Chester, Delaware, and Montgomery counties with a population greater than >20,000, and police department departments accredited by the Pennsylvania Chiefs of Police Association are in Bucks, Chester, Delaware, and Montgomery Counties & have a local ordinance permitting the only municipalities that are allowed to install the camerasuse of Red Light Enforcement Cameras. At this time, none of the others have installed cameras. See [ Red Light Camera Laws in Pennsylvania]
=== Speed cameras ===