If you’ve been involved in a road traffic collision, or think you might have witnessed an offence on the roads in London, find out how to report it using our simple online tool. Just answer the quick questions below to make sure we give you the right advice and gather all of the relevant details.

Is it an emergency?

If a crime is happening now or someone is in immediate danger, call 999

Advice tool

Report a possible traffic offence.

Thank you for getting in touch. It sounds like you’re in the right place.

Your report will be used to improve our information about individuals and locations in London and could help us to resolve the issue you’ve raised.

Click ‘Start’ below to provide as many details as you can about the incident.

Average completion time: 10 minutes


Please have the following details available if possible:

  • The date and time of the incident
  • Details of the other person or people involved
  • The registration and make of their vehicle