five years earlier (or press a) --- five years later (or press s)
click here to animate

2025 map

1860 1865 1870 1875 1880 1885 1890 1895 1900 1905 1910 1915 1920 1925 1930 1935 1940 1945 1950 1955 1960 1965 1970 1975 1980 1985 1990 1995 2000 2005 2010 2015 2020 2025

five years earlier (or press a) --- five years later (or press s)

See also:
Key:  horsecars electric trolleys tunnel/elevated electric trolleys steam/diesel trains other fixed-guideway vehicles
cablecars trolleybuseselectric metro trains electric mainline trains

Based on scheduled weekday service at the end of the year in question.
Scale: = 10 km (30 CSS pixels per km)

Please send any corrections or questions to threestationsquare at gmail dot com.

See also: San Francisco rapid transit timeline
Google map of San Francisco-area trolleys, 1932
rail and trolleybus timelines: New York - Boston - San Francisco
rapid transit timelines - miscellaneous timelines and maps

By Alexander Rapp (CC-BY-SA) based on map data by OpenStreetMap contributors and historical sources.