USA Bus Lines

Does anyone know where online i can get a map of the bus routes for San Francisco Union square area?

if a website/map is not possible, can someone tell me which bus to take from caltrain/union square area to Haight Street and to Fisherman's wharf

Public Comments

1. Caltrain is blocks away from Union Square, So, heres a very good site http://www.511.org/
2. The 511.org site mentioned above is very good for trip planning. Here's where to find Muni maps: http://www.sfmta.com/cms/mmaps/indxmaps.htm