SF Muni Brings Cell Service Underground

Muni upgrades cell service in downtown underground stations before Super Bowl LX

2026-02-07, Moovit News Team

Muni Adds Cell Service to Downtown Stations

San Francisco's Muni is upgrading cell service in downtown underground stations ahead of Super Bowl LX, transit officials said. The San Francisco Municipal Transportation Agency announced the connectivity improvements February 6, with the enhanced service aimed at helping both daily commuters and Super Bowl visitors stay connected while traveling through the city's busiest transit corridors. Officials didn't specify which downtown stations will receive the upgrades first or how many stations the project covers.
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Why Underground Connectivity Matters

The cellular infrastructure improvements address a longstanding challenge for underground transit systems, where concrete and steel structures block wireless signals, according to the transit agency. Officials said the upgrade will allow riders to check real-time information, coordinate travel plans, and maintain communication throughout their journeys below street level. Transit agencies nationwide have been working to add wireless connectivity to underground stations as smartphone use has become essential for navigation and communication. The timing coincides with Super Bowl LX preparations, though officials haven't said whether the project was accelerated specifically for the event.

Service Details and Coverage

The SFMTA announced the cell service enhancement through its blog but didn't provide technical specifications about network speeds, carrier partnerships, or coverage maps. Officials described the service as 'lightning-fast' but didn't release data on connection speeds or bandwidth capacity. The agency hasn't said whether all major carriers will be supported or if some providers will have better coverage than others. Details about the infrastructure installation process, including whether work required station closures or service modifications, weren't available.
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Implementation Timeline

The connectivity improvements are being implemented ahead of Super Bowl LX, which takes place in the Bay Area later this year, but officials didn't provide a specific completion date. The SFMTA hasn't said whether the enhanced service is already active in some stations or if installation is still underway. Transit agencies typically test new wireless systems before full deployment, but whether Muni is conducting pilot testing wasn't clear from available information.

What Riders Should Know

Daily commuters and Super Bowl visitors traveling through downtown Muni stations can expect improved cellular connectivity once the upgrades are complete, though the agency hasn't released station-specific information about where enhanced service is available. Officials said they'll provide updates as the project progresses, but a timeline for additional announcements wasn't specified. Riders can check Moovit for real-time Muni service information and trip planning as they navigate downtown stations during the Super Bowl period and beyond.