Originally Posted by
malsf1
Yes, MUNI is the bus, streetcar, and subway system within the city limits. BART operates within the city but also to the east bay and peninsula.
This is right, but sometimes when people say "MUNI" they mean "MUNI Metro", MUNI's light rail system that is below ground from Embracadero to Van Ness, and then above ground elsewhere. They might tell you to take a local bus to MUNI, even though both are part of MUNI.