SAN FRANCISCO—On Sunday, September 14, 2025, at about 1:50 p.m. in the afternoon, a vehicle accident occurred when one of the M-MUNI bus line collided with a vehicle, causing delays to the arrival of the M-MUNI Line.

San Francisco Municipal Transportation Agency (SFMTA) then temporarily brought out the shuttle buses while the buses were being rerouted in both directions, and shuttle services were enroute between San Jose Avenue and West Portal Avenue, continuing to work until about 3:15 p.m. that same afternoon.

As the scene was being organized back in order, the 57 MUN bus line was involved in yet another incident. The scene was absolutely clear at about 2:15 p.m. that same afternoon.

Although the accident was clear, people expected residual delays because of the accidents.