31 Balboa

31 Balboa
An ETI at the route's outer terminus, La Playa and Cabrillo, 2018
Overview
SystemMuni trolleybus network
OperatorSan Francisco Municipal Railway
VehicleNew Flyer XT40
Began serviceMay 15, 1932 (1932-05-15)
Route
LocaleSan Francisco, California
StartCaltrain Depot (weekdays)
Powell Street station (weekends)
ViaEddy St, Turk Blvd, Balboa St
EndCabrillo and La Playa
Length6.2 miles (10.0 km)
Other routes31AX, 31BX
Daily ridership8,800 (2019)
Map31 Balboa
 30 Stockton  List of San Francisco Municipal Railway lines  33 Ashbury/18th Street 

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.