FINAL UPDATE: All lines have returned to their normal routes except the 18. The 18 will continue to reroute until 4 p.m. (More: 19 in last 48 hours)

Traffic Signal Repair

To report a traffic signal needing maintenance or repairs please call the San Francisco 311 Customer Service Center or 415.401.3700.

(24 hours a day).

  • Voice within San Francisco: 311
  • Voice, outside San Francisco: 415.701.2311
  • TTY: 415.701.2323.