UPDATE: Delay at Howth and Mount Vernon has cleared, OB 54 resuming regular service. https://t.co/ov3j8QT1FM (More: 11 in last 24hrs)

Traffic Signal Repair

To report a traffic signal needing maintenance or repairs please call the San Francisco 311 Customer Service Center or 415.550.2736 (24 hours a day).

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