ISBN: | 978-5-5128-1364-5 |
High Quality Content by WIKIPEDIA articles! The Key System (or Key Route) was a privately owned company which provided mass transit in the cities of Oakland, Berkeley, Alameda,Emeryville, Piedmont, San Leandro, Richmond, Albany and El Cerrito in the eastern San Francisco Bay Area from 1903 until 1960, when the system was sold to a newly formed public agency, AC Transit.