The Traffic Operations division maintains approximately 36 traffic signals, 73 school flashing lights, pavement markings, and approximately 12,000 signs.


The Traffic Operations division provides many services to the citizens of Duncanville, including:

  • Annual pavement marking maintenance
  • Annual sign replacement program
  • Maintaining signal systems and school lights
  • Traffic counts

Requests for any of the above-mentioned services are responded to in a timely manner to ensure the safety for all who travel our city’s streets and sidewalks.

Reporting Concerns

During the business hours of 7:00 am to 4:00 pm, please contact the Service Center at (972) 780-4900. After-hours emergencies calls will be handled by our answering service.

To report a damaged or missing sign or a traffic signal malfunction:

Emergency concerns during regular business hours:

(972) 780-4900

After-hours emergencies
(answering service):

(972) 780-4959

  • Report non-emergency concerns here online:

    You may report non-emergency traffic operations, signs and/or signals concerns here.

    Note: To report a concern or emergency situation in your neighborhood, please use our Report A Concern form.

How to Report a Street Light Outage

Go to Oncor’s website and zoom in to find the location of the light on the Google map:

Or call Oncor at 888-313-4747.  You can also call us at (972) 780-5015 – Please be prepared to provide the address if the outage is in front of a house or a specific location (i.e., third light east of the intersection of …) if the light is in a median.

About the signals along the IH-20 and Highway 67 intersections

The signals along the service road intersections belong to and are maintained by the Texas Department of Transportation (TxDOT) with the exception of the I-20 and Cockrell Hill Road intersection, which is maintained by the City of Dallas (Public Works Signs and Signals Quick Links Signal Map).

You can report any problems to the Dallas District of TxDOT at (972) 263-1387 between the hours of 8:00 am to 5:00 pm. Report any emergency situations to the Police Department by calling 9-1-1.