I-70 in Denver | I-25 to Chambers Road

Completed Central 70 Project on I-70 in Denver

I-70 in Denver Area Overview

Now that the Central 70 project is complete, the next phase of this project will include maintenance and operations of the Interstate 70 corridor in Denver. The location of this area is on I-70 eastbound and westbound from Mile Points 274 to 283.50 from east of I-25 to Chambers Road in Denver and Adams counties.

Travel Impacts - Aug. 17 to 19, 2026

As a part of ongoing maintenance work on the Central 70 project, there will be overnight lane closures on westbound I-70 between Holly Street and Josephine Street. This work will occur Monday, August 17 through Wednesday, August 19, from 9 p.m. to 6 a.m. each night and will require the following lane closures:

  • Monday, Aug. 17 through Wednesday, Aug. 19, from 9 p.m. to 6 a.m. nightly – Closures on westbound I-70 between Holly and Josephine streets

Westbound Managed Lane and left lane closed between Holly Street and Columbine Street

  • Westbound two left lanes closed between Colorado Boulevard and Columbine Street
  • Westbound right lane closed between Vasquez Boulevard and Josephine Street
  • One westbound travel lane will remain open between Vasquez Boulevard and Josephine Street

Please be cautious when driving through this area. Go to COtrip.org for the latest information on lane closures and road conditions.

Lane Closures for I-70 in Denver

About the Contractor

For the next 30 years, contractor Kiewit Meridiam Partners is responsible for operations and maintenance of I-70, and will be completing the final turn-over requirements. Project priorities includes general maintenance like snow removal, lane striping, pot-hole repair, signage repair.

  • Project Cost: $400 million
  • Work Schedule: As needed
  • Traffic Impacts: Intermittent lane restrictions
  • Timeline: February 2023 to March 2052