Folsom Street Fair this Sunday. Muni will have reroutes in SoMa. Started Mon Sep 21 Until Sun Sep 27 Folsom Street Fair this Sunday. Muni will have reroutes in SoMa.Board M bus shuttles curbside Started Sat Sep 26 Until Board M bus shuttles curbsideTransfer to M bus shuttle or M train for continued service. Started Sat Sep 26 Until Transfer to M bus shuttle or M train for continued service.This weekend M bus shuttles between Balboa Park and Broad & Plymouth. Started Thu Sep 24 Until Sun Sep 27 This weekend M bus shuttles between Balboa Park and Broad & Plymouth.