PHOTOS: Check Out Muni Through The Years!
In the nearly century and a half since San Francisco's first cable car completed its inaugural run down Clay Street, the city's public transit system has become as embedded in San Francisco's very fabric as sourdough bread, the Golden Gate Bridge or the omnipresent blanket of fog.
Even so, most San Franciscans' knowledge of what famed San Francisco Chronicle columnist Herb Caen termed the "Muniserable Railway" is limited to the understanding that if you're attempting to board a downtown-bound 21 bus on a rainy weekend morning in Hayes Valley you're gonna' have a bad time.
















