Traffic Signals

Request Changes in Traffic Controls:

To insure proper processing of requests and for record purposes, all requests for changes in traffic controls or operations should be in writing and addressed to:


Issues with traffic signals can also be reported via 

Improve Detroit



For reporting running water, potholes, damaged street signs, and other issues the Improve Detroit mobile app makes reporting a neighborhood problem to City Hall easier than ever.

This app uses your location and gives you a menu of common quality-of-life conditions to choose from in your service request.

Uploading a photo with your report also helps the City staff quickly identify the problem.

You may comment on your submissions and you will be notified when the status of the issue is updated.