San Francisco Municipal Transportation Agency
Muni
Live arrival predictions, active vehicles and service disruptions.
— predictions— vehicles— active stops
Current Muni arrivals and service alerts load from 511 SF Bay.
Transit
San Francisco transit
Muni, BART and the day-to-day service changes that shape how people move through the city.
21 storiesLatest update October 4, 2026
Transit · Highway 101
US-101 Hospital Curve Closes Southbound Oct. 16–19: Detour & Hours
All southbound US-101 lanes between Cesar Chavez and 17th Street close from 11 p.m. Friday, Oct. 16 to 6 a.m. Monday, Oct. 19. Caltrans says use southbound I-280 or another route.Official data source
Live arrivals and service data
This page uses 511 SF Bay Open Transit Data. Useful explainers: how to pay for Muni now and BART to SFO after 9 p.m..
Live transit data from 511 SF BayOfficial source: 511 SF Bay Open Transit Data
Live data
Bay Area Rapid Transit
BART
Live train predictions, active train positions and service disruptions.
— predictions— trains— active stations
Current BART train information and service alerts load from 511 SF Bay.
Stop arrivals
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Search official 511 stop data, then open the live arrival board for that stop.
Type at least 2 characters — for example Powell, Castro or Embarcadero.
Live arrivals
Choose a stop above to see its next arrivals.
Vehicle positions
Vehicles moving now
Current Muni vehicle and BART train positions reported by 511. Filter by route or destination text.
Live vehicle positions are supplied by 511 SF Bay.
Transit reporting
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Events · Mission Bay
JPMorgan Corporate Challenge Hits Mission Bay Thursday: Route, Street Closures and Muni Changes
The 3.5-mile race starts at Chase Center at 6:45 p.m. Sept. 10, while Mission Bay and waterfront traffic restrictions run from about 5:30 to 9 p.m.
Events · Mission
Fiesta de las Américas Saturday: Schedule, Street Closures and 48 Muni Reroute
The free Mission festival runs 11 a.m.–6 p.m. Sept. 12. Street closures last roughly 8 a.m.–9 p.m., and the 48 Quintara/24th reroutes from 7:30 a.m.
Events · Outer Richmond
Far Out Fest Takes Over Balboa Saturday: Street Closures and Muni Reroutes
The free Outer Richmond arts event runs Sept. 12, with Balboa and 37th Avenue closed for much of the day and reroutes on the 18 and 31.
Transit · BART
BART Green Line Won’t Run Sept. 12–13 — Where the Bus Bridge Runs and How Much Extra Time to Allow
No trains will run between Union City and Warm Springs/South Fremont. BART says trips through the work zone could take 30 to 40 minutes longer.
Transit · Highway 101
Highway 101 Will Fully Close Northbound in San Francisco Sept. 18–21 — Detours, SFO Routes and What to Know
Caltrans will shut every northbound lane through Hospital Curve for the weekend. Drivers headed toward downtown San Francisco or the Bay Bridge are being directed to I-280.
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