CDOT tunnel inspections require overnight closures on Clear Creek Canyon in late April

Travel Advisory

April 19, 2024 - Central Colorado/Denver Metro - Closures scheduled for four nights

Jefferson County — CDOT will conduct tunnel inspections along US 6 (Clear Creek Canyon) in late April. The work will require the following overnight closures:

  • US 6 between I-70 and CO 119 - full overnight closure on Tuesday, April 23 and Wednesday, April 24 from 6 p.m. to 6 a.m.
  • US 6 between CO 93 and CO 119 - full overnight closure on Monday, April 29 and Tuesday, April 30 from 8 p.m. to 7 a.m.

Drivers can take I-70 as an alternate route around the closure.

The schedule above could change depending on the weather. Latest lane closure information is posted on

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!

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