Potrero Yard tour, Saturday, July 23, 2 p.m.
Saturday, July 23, 2022 - 2:00pm
2500 Mariposa Street
Attendance requirements and the available tour schedule can be found on the Tour Registration sign-up form.
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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