TWIN PEAKS TUNNEL Track & System Improvements The Twin Peaks Tunnel, which runs between West Portal and Castro TIMELINE stations, will undergo a major rehabilitation and replacement of its 40+ year old infrastructure, including fixtures that are original to the tunnel, When: circa 1917. The new tracks will improve safety and reliability for Muni trains and keep the tunnel in good working condition. Summer 2018 Planned work includes replacing tracks and track infrastructure, replacing Muni Metro Changes: the drainage system, repairing tunnel walls and ceilings, completing Bus substitute for M Ocean seismic upgrades to the original east entrance of the tunnel (Eureka Valley View and L Taraval; K station), and making structural repairs and inspections. Ingleside operating modified Construction is expected to start summer 2018 during a single closure up train route to 60 days long. Transit service will be modified during construction. Bus Routes Affected: Twin Peaks Tunnel opened for service on February 3, 1918. A vital 48, 57, Nx, L OWL, 91 OWL connection between downtown San Francisco and southern and western neighborhoods, the tunnel carries over 80,000 customers daily. sfmta.com/twinpeaks Taraval Bus Ingleside • SF Zoo via Dewey/Woodside to Castro • Trains will operate between Sloat/St. Francis Station (will not stop at Church or West and Balboa Park Station and continue as Portal Stations) J Church to Embarcadero • Transfer at Sloat/St. Francis for M Ocean Ocean View Bus View or Forest Hill Shuttle buses • Balboa Park via West Portal/Vicente to • Transfer to BART for faster trips Church Station (will not stop at Forest Hill downtown or Castro Stations) To downtown Taraval & WawonaDewey & Woodside Church Castro 48 Taraval & MUNI METRO 14th Ave SF Zoo • J, N, T, and S trains running increased service. Serves all regular stops Woodside & Portola 36 44 52 Portola & SERVICE L L Laguna Honda 43 48 • Buses will not operate. Use N trains. West Portal & Vicente 48 57 FH FH FOREST HILL SHUTTLE BUS West Portal & 15th Ave FH • Connector shuttle stops at: 57 West Portal & Sloat Sloat /St. Francis FH Forest Hill Station Ocean Right of Way Junipero Serra Dewey & Woodside & Ocean West Portal & Vicente M West Portal & 15th Ave LEGEND Take BART downtown BART Take Sloat/St. Francis L L Taraval Bus OWL AND 91 OWL SERVICE M M Ocean View Bus • L OWL and 91 OWL buses rerouted via 14th Ave and Vicente. Transfer between K Ingleside M 91 OWL and L OWL buses at West Portal Ave & Vicente. S Shuttle Serves all T Third regular stops HEADING DOWNTOWN? Transfer Point TAKE BART FOR FASTER TRIPS # Connecting Bus Line Muni customers transferring to Balboa Park BART will receive a free single-ride BART ticket good for travel through Take BART downtown L and M BUS FREQUENCY Balboa Park Embarcadero BART station (available M Peak hours: every 5 min 6am-10am weekdays only). Midday/evenings: 8 - 15 min San Jose & Geneva.