CDOT Requests
Frequently Used CDOT Services
Citizen Services
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Traffic Circles
Traffic circles are small landscaped circular islands placed in an intersection to provide geometric control to traffic on residential streets. Traffic circles provide control to traffic because they physically require motorists to slow down in order to maneuver around them.
Residential traffic circle

Traffic circles reduce the number of angle and turning crashes. Traffic circles are effective at lowering vehicle speeds in their immediate vicinity.

Requesting a Traffic Circle
If you are interested in having a traffic circle in your neighborhood:

  • Click here or Call CharMeck 311 Call Center at 311
  • CDOT will evaluate your street to determine if a traffic circle is appropriate. Other traffic calming devices may be more effective in reducing your traffic problems.
  • Traffic circles are among the more expensive traffic calming devices. Considerable evaluation is required before a location can be approved for this treatment.

As with most CDOT traffic calming measures,  neighborhood approval is required by one of two methods:

1)  A letter of endorsement from the neighborhood association.  The neighborhood association will be required to notify affected property owners (as defined by CDOT) of the planned installation, and no petition is required, or

2) If the neighborhood association does not support the proposed service, the resident can petition.  Petitions require signatures from at least 60% of property owners within the CDOT defined impact area.  If a petition is required, the CDOT will define the impact area and issue the petition forms. Click here to learn about CDOT's petition process.

Residential traffic circle in Dilworth