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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 - Feb. 9 to Feb. 15
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.
Upcoming Holiday Schedule: There will be no scheduled traffic impacts on westbound and eastbound I-70 during overnight hours on Sunday, Feb. 16 and during daytime hours on Monday, Feb. 17 in observance of Presidents' Day.
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Overnight Traffic Impacts
Sunday, Feb. 9 to Thursday, Feb. 13 - Westbound & Eastbound I-70 - Morrison (Exit 259) to Lookout Mountain (Exit 256) - overnight lane closures
- Overnight lane closures will be in place in both directions of I-70 from Sunday to Thursday, from the Morrison to Lookout Mountain exits
- During these overnight periods, motorists can expect single lane closures switching to double lane closures on westbound I-70, and single lane closures on eastbound I-70
- On Sunday, single lane closures on westbound I-70 will be in place from 6 p.m., switching to double lane closures at 8 p.m.
- Monday to Thursday, single lane closures on westbound I-70 will be taken at 7 p.m., switching to double lane closures at 9 p.m.
- Only single lane closures will exist on eastbound I-70 nightly, from 9 p.m. to 6 a.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
- Speed reduction on westbound I-70 - speeds are reduced to 55 mph through the work zone on westbound I-70 from Morrison (Exit 259) to Lookout Mountain (Exit 256), with signs posted
- Work zone 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, and installing and flowfilling concrete drainage pipe.
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Closeup views of barrier formwork along I-70, west of Morrison.
Photography by Estate Media & AtkinsRealis.
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No Daytime Traffic Impacts
Monday, Feb. 10 to Friday, Feb. 14 - Westbound & Eastbound I-70 - Morrison/CO 93 (Exit 259) to Lookout Mountain (Exit 256) - no impacts
- No shoulder closures are scheduled for this weekly period
- Speeds on westbound I-70 have been reduced to 55 mph within the work zone, from the Morrison to Lookout Mountain exits
- Signs, message boards and construction devices are present to alert motorists to the work zone and other restrictions
- The project limits for this weekly period are MP 259 to MP 256
- Please obey speed limits and traffic signs and exercise caution
- Construction schedules are weather dependent and subject to change
Daytime work includes forming concrete barrier in the center median, with no impacts to traffic.
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General Travel Impacts, Schedule & Scope of Work
- The project began in mid-August 2024, 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's purpose is to improve safety, mobility and travel time reliability along this 10-mile stretch of the I-70 mountain corridor
- Work includes milling and paving I-70 from the Chief Hosa to Colfax exits, replacing guardrail, repairing two bridge decks at the Morrison/CO 93 exit, installing storm 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
- Speed reduction on westbound I-70 - speeds are reduced to 55 mph through the work zone on westbound I-70 from Morrison (Exit 259) to Lookout Mountain (Exit 256), with signs posted
- 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, except on holidays
- 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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