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A San Francisco Muni train sped past 50 mph on a curve due to a sleeping operator, causing panic, but no derailment or injuries occurred.
A San Francisco Muni light rail train accelerated to over 50 mph on a curve on September 24, 2025, causing violent jolts and panic among passengers after the operator fell asleep, according to video and SFMTA investigations.
The train, which did not derail, experienced no mechanical failures, and officials confirmed operator fatigue was the cause.
The driver was placed on non-driving status, apologized to passengers mid-ride, and the agency is working with Siemens to develop speed-limiting software.
SFMTA leadership called the incident unacceptable and emphasized safety and accountability.
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Un tren de San Francisco Muni aceleró más de 50 millas por hora en una curva debido a un operador dormido, causando pánico, pero no se produjeron descarrilamientos ni lesiones.