The Philadelphia trolleybus system forms part of the public transportation network serving Philadelphia, in the state of Pennsylvania, United States. It opened on October 14, 1923, and is now the seco
A New Flyer E40LFR en route to Frankford Transportation Center
A 1955 Marmon-Herrington trolley bus loading on route 66 in 1978
The slash mark, for short-turn trips, on a route 59 trolley bus, when the fleet still had rollsign-type destination signs
Already 31 years old at the time, ACF-Brill TC44 trolley bus 215 turning at the east end of route 79 in 1978