Access to East I-25 Frontage Road from CO 119 closed from June 10 to July 3

Travel Advisory

June 5, 2024 - Northeastern Colorado - Firestone approved in-town detours for intersection improvement

Firestone — The Colorado Department of Transportation will close access to the East I-25 Frontage Road from Colorado Highway 119 to make additional improvements starting June 10.

Improvements include expanding the south side of the intersection, adding raised islands and replacing the traffic signal poles and mast arms.

The closure will be in place until July 3. The Town of Firestone has approved a detour that goes through town.

Detour Route

CO 119/Firestone Boulevard to East I-25 Frontage Road

  • Motorists will travel east to Birch Street and turn right.
  • Turn right on Sable Avenue
  • Turn right on East I-25 Frontage Road

East I-25 Frontage Road to CO 119/Firestone Boulevard

  • Motorists will travel south on East I-25 Frontage Road, turn left on Sable Avenue
  • Turn left on Birch Street
  • Turn left on CO 119/Firestone Boulevard

Project Contact Information

Contact the project team with questions or concerns or if you would like to receive construction updates.

Know Before You Go

Travelers are urged to “know before you go.” Gather information about weather forecasts and anticipated travel impacts and current road conditions prior to hitting the road. CDOT resources include:

Remember: Slow For The Cone Zone

The following tips are to help you stay safe while traveling through maintenance and construction work zones.

  • Do not speed in work zones. Obey the posted speed limits.
  • Stay Alert! Expect the unexpected.
  • Watch for workers. Drive with caution.
  • Don't change lanes unnecessarily.
  • Avoid using mobile devices such as phones while driving in work zones.
  • Turn on headlights so that workers and other drivers can see you.
  • Be especially alert at night while driving in work zones.
  • Expect delays, especially during peak travel times.
  • Allow ample space between you and the car in front of you.
  • Anticipate lane shifts and merge when directed to do so.
  • Be patient!

Download the COtrip App!

The new free COtrip Planner mobile app was designed to meet the growing trend of information on mobile and tablet devices for the traveling public. The COtrip Planner app provides statewide, real-time traffic information, and works on mobile devices that operate on the iOS and Android platforms. Visit the Google Play Store (Android devices) or the Apple Store (iOS devices) to download!