Some people don’t realize that cable cars were at one time a working transit system in San Francisco and not just an amusement ride for tourists. In fact, when I first came to the city I used a cable car for one leg of my commute. The cars cost the same as buses then.
Click on the detail below to see a full map of San Francisco cable car lines in 1893. The original could be better quality. I played with levels and curves to make this detail a bit more legible.