San Francisco's Muni Metro system surpassed its pre-pandemic weekend ridership for the first time in May 2026, with official SFMTA data showing weekend boardings at 100.5% of 2019 volumes — a milestone that transit advocates say confirms the payoff from years of infrastructure investment.

SFMTA's verified May 2026 figures tell a clear recovery story: 126,000 average weekday trips (78% of pre-pandemic), a 14% year-over-year jump in downtown rail boardings, and a 60% drop in Market Street Subway delay events since 2019. Meanwhile, figures circulating on Reddit this week claim an even more striking June 2026 headline — the T-Third line allegedly hitting 27,600 daily riders, up 27.8% year-over-year — but SFMTA has not published line-specific June 2026 data to confirm or contextualize those numbers. What's not in dispute is the direction of travel: Muni Metro is recovering, and specific capital projects — the 2023 Central Subway opening and the L Taraval corridor overhaul — are at the center of the story.

San Francisco Muni's light rail system has crossed a threshold that transit planners have been eyeing for three years: in May 2026, weekend boardings hit 100.5% of pre-pandemic 2019 volume — the first month since COVID-19 that Muni Metro has fully recovered its weekend customer base, according to an SFMTA press release published that month.

The agency's figures for May show average weekday trips at 126,000 — roughly 78% of the May 2019 benchmark — while downtown rail boardings grew nearly 14% compared to May 2025, per a May 2026 SFMTA board report. SFMTA Director of Transit Brent Jones said the results reflected deliberate choices the agency had made about the customer experience. "These numbers show why Muni matters to our customers and to the city," Jones said in the press release. "Because of our focus on the customer experience, more and more people are choosing Muni to get where they need to be."

The recovery has been uneven across the system. A July 2024 SFMTA board report showed the Central Subway's KT line — opened in late 2022 and fully integrated in 2023 — carrying nearly 32,000 average daily riders, approaching the 33,000 recorded in July 2019 before the pandemic. Downtown rail stations, however, were still at only 36% of weekday ridership recovery as of that July 2024 snapshot, suggesting leisure and surface travel is outpacing the return of the downtown commuter.

Infrastructure investments are cited by outside analysts as a key factor. Laura Tolkoff, transportation policy director at the urban planning think tank SPUR, told SFMTA: "Clearly, everything Muni is doing to become safer, cleaner, faster and more convenient is working. I think these numbers also show that San Francisco is blossoming again — the more reasons people have to come to San Francisco, the more people ride Muni."

The L Taraval Improvement Project — which installed dedicated transit lanes, signal priority, mini-high boarding platforms, and pedestrian crossing upgrades along the entire surface segment — is among the most concrete capital investments completed in the current recovery period, according to the SFMTA project page. The agency has not published a report quantifying the project's specific ridership impact by line.

That gap in line-level data has become the source of some public confusion. A widely shared thread on Reddit this week, posted by user u/getarumsunt, claimed the T-Third line hit 27,600 daily riders in June 2026 — a 27.8% year-over-year increase — and that the L Taraval reached 19,000 daily riders (+19.5%). The thread also reported 38,600 daily riders on the N Judah, up 13.9%. SFMTA's public ridership dashboard and published reports do not break out line-specific figures for June 2026, and the agency has not verified or disputed these numbers. The Dissent was unable to independently confirm them from official sources before publication.

Sara Johnson, executive director of SF Transit Riders, said the trajectory itself was worth marking. "This uptick in trajectory shows that transit riders are showing up and that Muni is capturing the momentum," Johnson said, speaking to May 2026 data. "These numbers are worth celebrating."

Even as ridership climbs, SFMTA's own planning documents suggest challenges ahead. A Muni Metro capacity study found that if Metro frequencies remain unchanged, the N Judah faces projected overcrowding by 2030–2050, particularly in the Market Street Subway and Twin Peaks Tunnel segments. The study did not identify a funded solution.

SFMTA attributes broader system growth to a package of initiatives including the Muni Forward program, new Siemens LRV4 rolling stock deliveries, and reliability improvements — not to any single capital project. Delay events in the Market Street Subway have dropped approximately 60% since May 2019, the agency says.

Line-specific monthly ridership figures for June 2026 have been requested from SFMTA. The agency had not responded by publication time.