This map provides information about the San Francisco Municipal Transportation Authority's (SFMTA) Central Subway Project. Locations are approximate, and schedules are subject to change. Zoom in and click on the objects for more details.Legend:Dark Blue: Central Subway project alignment and four future stationsRed: Construction sitesGreen: Reroutes of Muni routes 30 Stockton and 45 Union/Stockton, with bus icons depicting bus stopsOrange: Detours around construction sitesThe Central Subway Project will extend Muni's T Third Line from the 4th Street Caltrain Station through SoMa, downtown and Chinatown. It is expected to open for public use in 2019.For project updates and more information about the work currently underway, visit our project blog (www.centralsubwayblog.com), follow us on Twitter (@Central_Subway) and like us on Facebook (www.facebook.com/centralsubway). For more information about the project, visit www.centralsubwaysf.com.