US Highway 6 Closures

Construction of a 3-mile long segment of the Jefferson County Open Space Peak to Plains (P2P) Project will require overnight closures of US 6 from CO 119 to CO 58 / CO 93 in Clear Creek Canyon. Overnight full closures will take place over the span of 100 nights continuing until 2025. Approximately 60 overnight closures are planned for 2023.

Below is a list of all planned closures through August 31, 2023:

Overnight Closure Dates Closure Timeframe
Sunday, Aug 6 to Thursday, Aug 10 9 p.m. to 6 a.m. each night
Sunday, Aug 10 to Thursday, Aug 17 9 p.m. to 6 a.m. each night
Sunday, Aug 20 to Thursday Aug 24 9 p.m. to 6 a.m. each night
Sunday, Aug 27 to Thursday Aug 31 9 p.m. to 6 a.m. each night
No overnight closures during the Labor Day holiday weekend


Additional closures will be announced with at least two weeks notice and this page will be updated regularly to keep the public informed.


Please Note:

  • All dates and times are weather dependent.
  • There will be no simultaneous closures with surrounding CDOT projects.
  • If needed, all full closures will be made passable for first responders.

You can use these resources from Jefferson County to stay informed on the project and planned closures:

     Website: www.jeffco.us/P2P

     Email: peaks2plain@gmail.com

     Phone: (720) 893-0403

Sign up for Jeffco "Notifyme" alerts:

  • Go to www.jeffco.us/list.aspx.
  • Add your email address to the top and click sign in.
  • You can opt to receive emails and / or text messages.
  • Scroll down to the third section titled "Alerts" and find P2P/US Hwy 6 - Trail Construction Closures.

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