Kunze kwechiunganidzwa chenguva dzose chezvinhu zvechitima zveSan Francisco kubva kuMarket Street Railway Company neSan Francisco Municipal Railway, miziyamu inoratidzira zvinhu zvakadai sekudzokorora kudengenyeka kwenyika kwa1906
uye mugumo wakadzokororwa weMSR 'Class 100 streetcar' ikozvino yakatsakatika.