2500 Mariposa St, San Francisco, CA 94110
Join a tour for a behind-the-scenes look at how a transit yard works and see why our 107-year-old yard needs to be rebuilt.
Attendance requirements and the available tour schedule can be found on the Tour Registration sign-up form.
Members of the public on a tour of Potrero Yard take in the view from the yard's upper deck, Dec. 8, 2021. (Photo by Bonnie Jean von Krogh/SFMTA)
An electric trolley bus straddles one of the mechanics' trenches at Potrero Yard. Workarounds for obsolete facilities like this are part of the maintenance routines at the 107-year-old yard. (Photo by John Angelico/SFMTA)
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