Passengers stand inside a train headed to San Francisco at the 19th Street BART station in Oakland, Calif. on Aug. 30, 2016. On Friday morning, a disabled train caused major delays on the BART system.

Passengers stand inside a train headed to San Francisco at the 19th Street BART station in Oakland, Calif. on Aug. 30, 2016. On Friday morning, a disabled train caused major delays on the BART system.

Photo: Paul Chinn, The Chronicle