Muni Metro riders beware: The Twin Peaks Tunnel is scheduled to be shut down for more than a week in August when the SF Municipal Transportation Agency conducts a major project to retrofit the 106-year-old bore to San Francisco’s west side. During the closure, train service on the K, L and M lines will be suspended west of Castro Street station and will be replaced by bus shuttles. Trains will continue to operate in the Market Street subway between Castro and Embarcadero stations, and service on... Read this story
