BART officials reported the problem on Twitter at 5:44 a.m. and a spokesperson said the delay was due to a problem with a switch.
Trains heading in the Fremont, Richmond, and Daly City directions had residual delays.
BART recovering: major delay on FRMT line in FRMT, RICH and DALY dirs due to an earlier equipment prob on track.
— SFBARTalert (@SFBARTalert) July 20, 2016
Major delay between HAYW and FRMT in FRMT, RICH and DALY dirs due to equip prob.
— SFBARTalert (@SFBARTalert) July 20, 2016