Philadelphia's streetcar infrastructure is old but interesting – Greater Greater Washington
Sleek, Modern Trolleys Coming to Philly - Philadelphia Magazine
40th Street Portal - Wikipedia
SEPTA's West Philly Trolley Routes Are a Mess Right Now
SEPTA Route 6 - Wikipedia
SEPTA trolley tunnel between 13th and 40th streets to close Friday for cleaning and maintenance blitz | PhillyVoice
Philadelphia historic trolleys to return in September, SEPTA says
SEPTA shuts Philly tunnel for cleanup - WHYY
Trolleybuses in Philadelphia - Wikipedia
New SEPTA trolleys approved for up to $863 milion
SEPTA Shuts Down Route 15 Streetcar - Railway Age
SEPTA Shuts Down Route 15 Streetcar - Railway Age
Service to Resume on the Route 15 Trolley in Port Richmond, Kensington - Philadelphia YIMBY
Philadelphia Trolleys 1955 — Sunday River Productions
New SEPTA trolleys will replace aging fleet - WHYY
Philadelphia Trolleys 1955 — Sunday River Productions
Philadelphia Notes - 2022 - PA Trolley Museum
The Streetcars of Philadelphia - Spacing Toronto | Spacing Toronto
Service to Resume on the Route 15 Trolley in Port Richmond, Kensington - Philadelphia YIMBY
Philadelphia Trolley Tracks: Phila Trolley Routes
SEPTA seeking rider input on trolley modernization project | PhillyVoice
SEPTA trolleys to undergo annual "trolley tunnel blitz" - CBS Philadelphia
