Editing Key System (section)

=== Related rail systems ===
*The Key System organized its freight business in 1929 as the Key Terminal Railway, Ltd. In 1938, the name was changed to the Oakland Terminal Rail''road'', Ltd. In 1943 the Oakland Terminal Railroad was jointly purchased by the [[Western Pacific Railroad]] and the [[Atchison, Topeka and Santa Fe Railway]] and is now known as the [[Oakland Terminal Railway]].
*The [[East Shore and Suburban Railway]] (E&SR) was a formerly independent unit of the Key System which ran streetcar trains in [[Richmond, California|Richmond]], [[San Pablo, California|San Pablo]], and [[El Cerrito, Contra Costa County, California|El Cerrito]]. Service to Oakland required a transfer to Oakland Traction Company trains at the County Line station and service to San Francisco required an additional transfer.
*See also the [[East Bay Electric Lines]]; another transbay commuter rail system operated by the [[Southern Pacific Railroad|Southern Pacific]] in the East Bay until 1941.
*See also the [[Sacramento Northern]] Railroad, an interurban system running from Chico through Sacramento to Oakland which also used some of the Key System's trackage as well as the Key System's ferry pier, and later ran to the Transbay Terminal until 1941.