Alert
In observance of Christmas, all Douglas County offices will close at noon on Tuesday, Dec. 24, and be closed for the entire day on Wednesday, Dec. 25, 2024. Offices will reopen at 8 a.m. on Thursday, Dec. 26, for normal business. Offices will be closed on Wednesday, Jan. 1, 2025, in observance of New Year’s Day and reopen at 8 a.m. on Thursday, Jan. 2, for normal business.
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Public Works

Signals

Questions call 303-663-6237

Email Traffic Division

Traffic Signal Services

Flashing Yellow Arrow Deployment

Frequently Asked Questions (FAQs) about Traffic Signals

Manual on Uniform Traffic Control Devices (MUTCD)

Traffic Signal Locations

Map of Traffic Signals by Jurisdiction

Traffic Management Centers (TMCs)

Traffic Signal Installations / Modifications

Traffic Signal Specifications (Appendix F)

Roadway Design and Construction Standards

The Traffic Engineering and Operations Division maintains traffic control devices, regulates traffic and studies and analyzes traffic flow to ensure safety and efficiency, and follows the Manual on Uniform Traffic Control Devices (MUTCD) to determine the appropriate use of traffic devices. These guidelines require certain criteria to be met before Traffic Engineering and Operations can use a particular device, as well as ensure that motorists have consistency among different communities throughout the country.

Frequently Asked Questions (FAQs) for Traffic Signals