Report a traffic light or road issue
On this page
Before you start
Most public roads in London are managed by local councils or Transport for London (TfL).
TfL roads have single or double red lines painted at their edge.
All traffic signals in London are managed by TfL.
How to report a problem
To report faults on traffic signals or on TfL roads, use the Tfl Streetcare system.
Last updated: 6 March 2026