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I-70 Resurfacing from Chief Hosa to Colfax

Weekly Traffic Impacts & Work Update


Traffic Impacts - Aug. 25 to Aug. 31


Please be advised of the following traffic impacts, restrictions and planned work for next week the I-70 Resurfacing from Chief Hosa to Colfax project in Jefferson County. No overnight lane or daytime shoulder closures will be taken over the extended Labor Day holiday weekend.

Overnight Traffic Impacts


Sunday, Aug. 25 to Thursday, Aug. 29 - Westbound I-70 - Morrison (Exit 259) to east of Lookout Mountain (Exit 256) - overnight lane closures
  • Single lane closures switching to double lane closures will be taken on westbound I-70 from the Morrison exit to east of Lookout Mountain
  • The closures will be in place nightly, Sunday to Thursday
  • A single lane closure will begin at 6 p.m. on Sunday and switch to double lane closures at 8 p.m.
  • Monday through Thursday, single lane closures will be taken at 7 p.m., switching to double lane closures at 9 p.m.
  • All overnight closures will end by 6 a.m.
  • During the overnight work and closures, traffic will be shifted to the north and caution is advised
  • Delays can be expected
  • The closure limits for this weekly period are confined to Mile Point 259 (Morrison Exit 259) to MP 257 (east of Lookout Mountain Exit 256)
  • Signs, message boards and construction devices will be present alerting motorists to the work zone closures and restrictions
  • Please obey speed limits and traffic signs and exercise caution
  • Construction schedules are weather dependent and subject to change
Work includes removing asphalt and milling.

Daytime Traffic Impacts


Monday, Aug. 26 to Friday, Aug. 30 - Both directions of I-70 - Chief Hosa (Exit 253) to Evergreen Pkwy (Exit 252) - shoulder closures
  • Shoulder closures will be taken in both directions of I-70 during daytime hours at the west end of the project limits, between the Chief Hosa and CO 74/Evergreen Pkwy exits
  • The closures will be in place from 7 a.m. to 6 p.m. daily
  • The closure limits for this weekly period are confined to MP 253 (Chief Hosa) to MP 252 (Evergreen Pkwy)
  • Signs, message boards and construction devices will be present to alert motorists to the work zone closures and restrictions
  • Construction schedules are weather dependent and subject to change
Work includes potholing and installing electrical conduit.

Location and limits of the I-70 Resurfacing from Chief Hosa to Colfax project in Jefferson County.


General Travel Impacts, Schedule & Scope of Work

  • The project began on Aug. 11, with anticipated completion by late 2025
  • Work will be performed in two shifts: 7 p.m. to 6 a.m. Sunday to Thursday and 7 a.m. to 7 p.m. Monday to Friday
  • Hours will be modified during the winter months
  • The project will improve safety, travel time reliability and mobility along this 10-mile stretch of the I-70 mountain corridor
  • Work includes milling and overlay for smoother driving conditions, replacing guardrail, repairing two bridge decks at the eastern end of the project, installing drainage improvements, and adding variable speed limit signs and message boards on eastbound I-70 from Genesee Park (Exit 254) to Colfax (Exit 262)
  • Overnight lane closures with traffic shifts will be taken Sunday to Thursday, except on holidays
  • Daytime shoulder closures will be in place
  • Occasional weekend overnight lane closures will exist, as needed
  • Please obey speed limits and traffic signs and exercise caution
  • Construction schedules are weather dependent and subject to change
  • Visit COtrip.org for real-time road conditions and to plan your trips!

Nearby Project Impacts


I-70 Floyd Hill Project
  • The I-70 Floyd Hill project, from west of Evergreen to eastern Idaho Springs, encompasses an eight mile section of the I-70 Mountain Corridor
  • Ongoing impacts include overnight lane closures, traffic delays, periodic ramp closures, and other restrictions
  • The project limits extend from Beaver Brook (Exit 248) to Idaho Springs (Exit 241)
  • One of the Floyd Hill early projects requires periodic daytime rock scaling and blasting
  • This I-70 El Rancho Pegasus Shuttle Stop project will build a new Pegasus shuttle stop and 40-spot parking lot for transit users
  • Motorists can expect daytime traffic holds of up to 20 minutes long and delays up to 45 minutes as the traffic queues clear
  • These holds will be in place periodically on weekdays - please refer to the link above for scheduled closures
  • Traffic holds: Eastbound I-70 traffic will be stopped just east of County Road 65 (Exit 248). Westbound I-70 traffic will be stopped at the Genesee Wildlife Crossing (between Exits 254 and 256). US 40 traffic will be stopped north and south of I-70.

Stay Connected!

 
Webpage: codot.gov/projects/i70chiefhosacolfax
Hotline: 303.918.2006
Email:  publicinformation@comcast.net
 
Road Conditions: COtrip.org 
COtrip Planner App: bit.ly/COtripapp
Project Travel Alerts: bit.ly/COnewsalerts
Lane Closures: bit.ly/laneclosures
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Colorado Department of Transportation · 2829 West Howard Place · Denver, CO 80204 · USA