You can take the 22 Fillmore or the 53 Southern Heights to 18th Street & Connecticut. If you take 19 Polk, get off at DeHaro and 18th Streets and walk three blocks East on 18th Street to Connectucut.
If you’re coming from the north, which includes most of San Francisco: Take 10th Street south, which goes under the freeway and turns into Potrero Avenue. From Potrero Avenue, turn left at 16th Street. Go ten blocks passing under the 101 freeway to Connecticut Street and turn right. Go up three blocks to 18th Street.
If you’re coming from the East Bay: take the 9th Street/Civic Center exit and stay right, which puts you on Harrison Street heading West. Follow Harrison two blocks and turn right onto 10th Street. Take 10th Street south, which goes under the freeway and turns into Potrero Avenue. From Potrero Avenue, turn left at 16th Street. Go ten blocks passing under Highway 101 to Connecticut Street and turn right. Go up three blocks to 18th Street.
If you’re coming from the Peninsula: take the Vermont Avenue exit off Highway 101, which puts you on Mariposa Street. Go straight six blocks to Connecticut Street, turn right, go up one block to 18th Street.