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

2010 map

1840 1850 1860 1870 1880 1890 1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 2020

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

Key:  horsecars trolleybuses electric trolleys tunneled/elevated trolleys full rapid transit steam/diesel trains electrified mainline trains

Based on service at the end of the year in question.
Scale: = 1 km (60 CSS pixels per km)

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

See also: Boston rapid transit timeline - other rapid transit timelines - San Francisco rail and trolleybus timeline - miscellaneous timelines and maps

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