Muni Metro is a semi-metro system serving San Francisco, California, United States. Operated by the San Francisco Municipal Railway (Muni), a part of the San Francisco Municipal Transportation Agency (SFMTA), Muni's light rail lines saw an average of 75,500 boardings per day as of the fourth quarter of 2023 and a total of 24,324,600 boardings in 2023, making it the sixth-busiest light rail system in the United States.
An inbound T Third Street train at Castro station in 2013
An inbound N Judah train at 48th Avenue in 2019
An outbound L Taraval PCC entering the (now demolished) eastern portal of the Twin Peaks Tunnel – the original Muni subway segment, February 1967
K Ingleside USSLRV passes an M Ocean View PCC at West Portal, November 1980
Semi-metro is a form of public rail transport in which trams run partly on a conflict-free track, by using tunnels and/or viaducts. These stretches of track are designed to function like a regular metro or rapid transit line. Semi-metro lines run with tram cars because they are usually developed from an existing tram network.
Muni Metro Forest Hill station
Sound Transit Airport station
STIB/MIVB Simonis station
üstra Marienstraße station
