FINAL UPDATE: System reboot has been completed. IB train switchbacks have been cancelled & we are resuming regular #SubwaySvc operations.
Bus shuttles will remain temporarily to provide supplemental svc.
We will continue to monitor the system in case the issue reappears. (More: 20 in last 48 hours)
We're committed to helping children get around San Francisco safely. Find out how we're serving our youngest Muni riders -- remember kids 4 and under ride free -- and learn about our efforts to improve transportation for children.