Trolleys, Light Rail and Subways
How cable cars work - Market Street Railway
Streetcars in North America - Wikipedia
The streetcars of San Francisco are a direct (trolley) line to the past
Get wired (again): Trolleybuses and Trolleytrucks - LOW-TECH MAGAZINE
Trolleybus - Wikipedia
When Trolleys Ruled the Roads of North Carolina | Our State
New Plan for City Streetcar: Shorter, Pricier and Not Coming Soon - The New York Times
The history of Pittsburgh's public transportation system | 90.5 WESA
Cable Cars in San Francisco: History, Routes & Riding Tips
How to Use the Cable Cars and Streetcars in San Francisco
How fast were trams in the 1910s? - Quora
Philadelphia historic trolleys to return in September, SEPTA says
When will the Route 15 trolleys be back?
How fast can a tram go? - Quora
Streetcar, Cable Car: What's the difference? - Market Street Railway
How A Streetcar Works - Boston Streetcars
Everything you need to know about the streetcar craze - Vox
Philadelphia trolley history as SEPTA refreshes fleet
How fast were trams in the 1910s? - Quora
Rider Information & Map - Market Street Railway
The Age of Trolleys, 1901 — Vermont Historical Society
How A Streetcar Works - Boston Streetcars
The real story behind the demise of America's once-mighty streetcars - Vox
