I-70 Mountain Corridor: Golden to the Utah State Line

Winter 2022-2023 Construction Map

I-70 Mountain Corridor Project Map for Winter 2022-23

I-70 Mountain Corridor Construction Projects Winter 2022-2023

The map outlines active construction projects along or near the I-70 Mountain Corridor between Golden and the Utah border. The active winter 2022-2023 construction projects from east to west are as follows:

US 6 Clear Creek Canyon Repaving
  • Location: US 6 between CO 119 and CO 58 in Jefferson County (Clear Creek Canyon)
  • Schedule: July 2021 through the end of 2022, with a winter shutdown and work resuming in April 2023
  • Traffic Impacts: Daytime single lane closures & intermittent traffic holds
  • Project Webpage: codot.gov/projects/us6-clear-creek-canyon-resurfacing
I-70 Genesee Wildlife Crossing
I-70 Repaving Floyd Hill to Chief Hosa
  • Location: I-70 Mile Point (MP) 246.5 to MP 252.9 between Floyd Hill and Chief Hosa
  • Schedule: April through the end of 2022 with a winter shutdown and minor work resuming in April 2023
  • Traffic Impacts: Daytime single lane and shoulder closures
  • Project Webpage: codot.gov/projects/i-70-floyd-hill-chief-hosa-resurfacing
Vail Pass Rest Area Replacement
  • Location: Vail Pass Rest Area off I-70 at Exit 190
  • Schedule: May 2022 through October 2023 with a winter shutdown in early 2023
  • Traffic Impacts: Exit 190 closed to commercial motor vehicles. Rest area and bathrooms are closed.
  • Project Webpage: Not available at this time

US 40 & Floyd Hill Roundabouts at County Road 65 and
Homestead Road
  • Location: US 40 & County Road 65 (westbound I-70 Exit 248) and US 40 & Homestead Road (eastbound I-70 Exit 247)
  • Schedule: Fall 2022 through fall 2023
  • Traffic Impacts: Daytime single lane closures, intermittent traffic holds, and traffic shifts on US 40
  • Project Webpage: codot.gov/projects/i70floydhill/floyd-hill-early-projects
Clear Creek Greenway and County Road 314 improvements
  • Location: Clear Creek County Road (CR) 314 from east Idaho Springs to the Veterans Memorial Tunnels, Mile Point 0.0 to 1.26
  • Schedule: September 2021 through September 2023
  • Traffic Impacts: Trail closure and full closure of part of CR 314
  • Project Webpage: codot.gov/projects/cr314idahosprings
Eisenhower-Johnson Memorial Tunnels Infrastructure Upgrades
  • Location: I-70 Eisenhower-Johnson Memorial Tunnel, Clear Creek/Summit Counties
  • Schedule: Throughout 2022 and 2023
  • Traffic Impacts: This varies from project to project, but could include occasional overnight full tunnel bore closures and overnight lane closures in the tunnel
  • Project Webpage: codot.gov/projects/ejmt-infrastructure-repairs

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NEPA Resources

Find the Programmatic Environmental Impact Statement, Record of Decision, and other related documents
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Projects & Studies

Find information about current CDOT studies and projects in the I-70 corridor
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Collaborative Effort

The collaborative effort was charged with reaching consensus on a recommended transportation solution for the corridor

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Context Sensitive Solutions

For its I-70 Mountain Corridor program, CDOT follows a Context Sensitive Solutions (CSS) process

Information about I-70 Corridor transit, travel forecast, and other news 

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