City of PhiladelphiaView metadata for key information about this dataset. Preventative maintenance is necessary for traffic signals and is performed while the equipment is still working, so that it does not break down unexpectedly. This layer was developed to aid the Traffic Division in planning, organizing, and maintaining traffic flow within the City of Philadelphia. Examples include: the maintenance and placing of stop signs and signals and monitoring street travel direction. This arc layer also has an accompanying polygon layer . The arc layer contains street name attributes for labeling the outside of the polygons. For questions about this dataset, contact dominick.cassise@phila.gov . For technical assistance, email maps@phila.gov .ArcGIS FeatureLayerhttps://hub.arcgis.com/datasets/8fe5a73d1a314731beafd20da4c530b4_0engPHLmapsPublicTraf PM Dist arc [Pennsylvania--Philadelphia]Web servicesPennsylvania--PhiladelphiaPennsylvaniaLast Modified: 2025-08-22