From CalTrans Station: 4th Street & Townsend (from the South Bay)
Walk to 2nd St & Townsend St (4 min walk). Take the Muni bus 10 towards Jackson St and Fillmore St. Get off the bus at NE Corner of Sansome St & Sacramento St (11 min ride). Walk one block to Battery, turn left to 1 Embarcadero Center, San Francisco - (3 min walk)
BART and MUNI trains (from the greater metro area):
Take the BART or MUNI to Embarcadero Station on Market Street – between Davis & Drumm Streets. Walk 1 block on Market to Pine Street, walk along Pine two blocks. Turn right on to Battery, walk 3 blocks to the main entrance of 1 Embarcadero Center. Alternately, you can exit at Montgomery Station. From the Montgomery Station, walk two blocks to Battery, turn left, and walk 5 blocks. The main entrance is on Battery between Clay & Sacramento.
MUNI Buses (from within San Francisco):
Market Street & Battery: Walk 6 blocks north on Battery to the main entrance of 1 Embarcadero Center, between Clay & Sacramento Streets. The following buses stop at Market & Battery: 2, 5, 6, 9, 9L, 21, 31, 38, 38L, 71, 71L Pine Street & Battery: Walk 3 blocks on Battery to the main entrance of 1 Embarcadero Center, between Clay & Sacramento Streets. The following buses stop at Pine Street & Battery: 2, 4, 8, 18, 24
AC Transit Buses (from Oakland, Berkeley, and other East Bay destinations):
The temporary TransBay Bus Terminal is at Howard and Main, and services buses from all around the East Bay. For more information visit: http://www.actransit.org/