Traffic Signals
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Request Changes in Traffic Controls:
Report all traffic signal malfunctions such as damages to signal head, bulb out, timing issues, dark signal or any other traffic related issue.
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:
2633 Michigan Ave, Detroit, MI (313) 224-1610 Monday - Friday 8:00am-4:00pm
- Special Provisions and Specifications for Traffic Signals
- Special Details for Traffic Signal
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.