Overnight Clear Creek Canyon (US 6) closures in July starting tonight

Travel Advisory

July 9, 2025 - Central Colorado - Closures are needed because of tunnel inspections

Clear Creek Canyon - The Colorado Department of Transportation will perform required tunnel inspections along Clear Creek Canyon (US 6). The inspections will require overnight closures of US 6 for five nights in July.

Closure schedule:

  • US 6 in both directions is scheduled to close between CO 119 and I-70 from 8 p.m. to 5 a.m., Wednesday, July 9 and Thursday, July 10.
  • US 6 in both directions is scheduled to close between CO 58 in Golden to CO 119 from 8 p.m. to 5 a.m., Monday, July 21, Tuesday, July 22 and Wednesday, July 23.

Motorists can use I-70 as a detour route.

Closure schedules could change depending on the weather and other factors. Check COtrip.org for the latest information on road closures.

Motorists are urged to drive with caution at all times, give plenty of following distance, watch for crews and heed the speed limit.

Please review the closure maps below:

Map showing US 6 closed between CO 119 and I-70 from 8 p.m. to 5 a.m. July 9 & 10 for tunnel inspection work. The detour route is I-70.
Map showing US 6 closed between CO 119 and I-70 from 8 p.m. to 5 a.m. July 9 and 10 for tunnel inspection work. The detour route is I-70.
Map showing US 6 closed between CO 58 & CO 119 from 8 p.m. to 5 a.m. July 21, 22 & 23 for tunnel inspection work. The detour route is I-70.
Map showing US 6 closed between CO 58 and CO 119 from 8 p.m. to 5 a.m. July 21, 22 and 23 for tunnel inspection work. The detour route is I-70.

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!