Interesting video ...

Key Systems Streetcars 1945 - "March of Progress" - Streetcars / Trolleys / Busses in San Francisco

by wdtvlive42
The Key System (or Key Route) was a privately owned company which provided Bus and Streetcar (Tram / Trolley) services in the San Francisco Bay Area from 190...

From: icon YouTube   URL: http://www.youtube.com/watch?v=rhGKOLgu7Wg