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I-70 Resurfacing from Chief Hosa to Colfax
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Weekly Traffic Impacts & Work Update
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Traffic Impacts - Nov. 24 to Nov. 30
Please be advised of the following traffic impacts, restrictions and planned work for next week for the I-70 Resurfacing from Chief Hosa to Colfax project in Jefferson County.
Thanksgiving Holiday Schedule: No overnight lane closures will be taken from Wednesday, Nov. 27 through Sunday, Dec. 1. Work and closures will resume on Monday, Dec. 2.
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Overnight Traffic Impacts
Sunday, Nov. 24 to Tuesday, Nov. 26 - Westbound I-70 - Morrison (Exit 259) west for three miles to Lookout Mountain (Exit 256) - various overnight lane closures
- During this short holiday week, crews will work Sunday to Tuesday night and resume the Monday night after Thanksgiving weekend
- Single lane closures switching to double left lane closures will be taken on westbound I-70 from the Morrison exit for about three miles to the Lookout Mountain exit
- The closures will be in place nightly, Sunday to Tuesday
- On Sunday, single lane closures will be in place at 6 p.m., switching to double lane closures at 8 p.m.
- Monday and Tuesday, 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 into the open lane(s) and caution is advised
- Delays can be expected
- The closure limits for this weekly period are confined to Mile Point 259 to MP 256
- Signs, message boards and construction devices will be present alerting motorists to the work zone, lane closures and other restrictions
- Please obey speed limits and traffic signs and exercise caution
- Construction schedules are weather dependent and subject to change
Work includes forming and pouring concrete barrier base, setting precast inlets, and installing storm drainage pipe.
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Sunday, Nov. 24 to Tuesday, Nov. 26 - Eastbound I-70 - Lookout Mountain (Exit 256) to Morrison (Exit 259) - intermittent overnight left lane closures
- Intermittent single left lane closures will be taken on eastbound I-70 for about three miles from Lookout Mountain to the Morrison exit
- The closures will be taken as needed nightly from 7 p.m. to 6 a.m., Sunday to Tuesday
- During the overnight lane closures, traffic will be shifted into the open lane(s) and caution is advised
- Short delays can be expected
- The closure limits for this weekly period are confined to MP 256 to MP 259
- Signs, message boards and construction devices will be present alerting motorists to the work zone, lane closures and other restrictions
- Please obey speed limits and traffic signs and exercise caution
- Construction schedules are weather dependent and subject to change
Work includes forming and pouring concrete barrier base, setting precast inlets, and installing storm drainage pipe.
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Recent views of traffic control picking up a lane closure and crews installing drainage pipe along I-70, west of Morrison. Photography by Owen Kyte.
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Daytime Traffic Impacts
Monday, Nov. 25 to Wednesday, Nov. 27 - Both directions of I-70 - Colfax/US 6 (Exit 262) to C-470 Interchange (Exit 260) - shoulder closures
- Daytime shoulder closures will be taken in both directions of I-70 from Colfax to the C-470 Interchange
- The closures will be in place from 7 a.m. to 6 p.m. Monday and Tuesday, and until noon on Wednesday
- The closure limits for this weekly period are confined to MP 262 to MP 260
- Signs, message boards and construction devices will be present to alert motorists to the work zone, closures and other restrictions
- Please obey speed limits and traffic signs and exercise caution
- Construction schedules are weather dependent and subject to change
ITS/electrical work includes potholing and boring conduit.
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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, except on holidays
- 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!
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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 and shifts, traffic delays, and periodic ramp closures
- Weekday rock scaling and blasting operations will be taking place near Idaho Springs, with traffic holds and delays expected up to six times a day, from 9 a.m. to 3 p.m. Monday to Thursday
- The project limits extend from Beaver Brook (Exit 248) to Idaho Springs (Exit 241)
- Please refer to the official webpage via the link above for more information on this project's scope of work, schedule & traffic impacts
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Eastbound I-70 Mt. Vernon Emergency Escape Ramp Project
- This project consists of rebuilding the existing emergency escape ramp located along eastbound I-70 at Mile Post 257 just east of Genesee
- The project has reached substantial completion
- Motorists can expect daytime and overnight lane and shoulder closures in both directions of I-70 within the project limits, and periodic ramp closures at Lookout Mountain during certain work activities
- Please refer to the official webpage via the link above for more information on this project's scope of work, schedule & traffic impacts
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