A traffic hazard was reported on westbound Interstate 80 just west of the Treasure Island offramp at 7:53 a.m. Friday.
The Mason Cable Car line was down at 7:26 a.m. due to a cable check. Shuttle buses are providing supplemental service.
Inbound Muni subway service was delayed at the Powell station at 6:53 a.m. because a train with a mechanical issue went out of service.
The Muni 1-California and 28-19th Avenue lines had longer than usual wait times at 6:04 a.m.