Traffic Operations


The overall mission of Traffic Operations is to establish and maintain safe, uniform and reasonable traffic control devices throughout the county that comply with federal, state and county laws and regulations.


Traffic Operations is responsible for day-to-day traffic signal, signage, striping and safety operations. We focus on addressing reported traffic concerns, as well as preventative maintenance, to maximize safety for all road users. We strive to make driving in unincorporated Adams County safe and efficient.

Contact and Reporting Information

Adams County Traffic Volume Counts

Street Light Outages

To report a street light outage, please call the power company serving your neighborhood:

  • United Power - 303.637.1300
  • Xcel Energy - 800.895.4999

Roadside Memorials

Traffic Calming Program

Speed Humps are traffic calming facilities which encourage motorists to reduce their operating speeds while passing over an installation. Vehicles may safely cross speed humps at 15-20 mph. Speed bumps are designed for vehicles to cross at 5 mph or slower, and are commonly used in parking lots. Speed bumps are not considered a safe installation for use on local roads. For more information about the Adams County Speed Hump Program, please follow the links below:

Cautionary signs are non-standard warning signs that are intended to raise motorist awareness of young roadway users. Adams County will install specific cautionary signs in locations that meet the eligibility criteria described in the Cautionary Sign program requirements:

Adams County Minimum Sight Distance Requirements

Traffic Signal Locations in Adams County 
Traffic Signal Specifications

Related Contacts

  • Colorado Department of Transportation Highway Information Line - 303.639.1111
  • Traffic Signal Malfunctions on State Roads - 303.757.9511

Useful Resources

Traffic Websites

View traffic websites for cities in Adams County:

Traffic Services Section
4955 E. 74th Ave.
Commerce City, CO 80022
Ph: 303.853.7137
Fx: 303.853.7066


Monday - Friday
7 a.m. - 3:30 p.m.