31 Balboa | ||||
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![]() Running inbound on Market Street, 2005 | ||||
Overview | ||||
System | Muni trolleybus network | |||
Operator | San Francisco Municipal Railway | |||
Vehicle | New Flyer XT40 | |||
Began service | May 15, 1932 | |||
Route | ||||
Locale | San Francisco, California | |||
Start | Caltrain Depot (weekdays) Powell Street station (weekends) | |||
Via | Eddy St, Turk Blvd, Balboa St | |||
End | Cabrillo and La Playa | |||
Length | 6.2 miles (10.0 km) | |||
Other routes | 31AX, 31BX | |||
Daily ridership | 8,800 (2019)[1] | |||
Map | 31 Balboa (Modified) | |||
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31 Balboa is a trolleybus line operated by the San Francisco Municipal Railway. It is one of several routes operating between the Financial District and the Richmond District.