I-70 Floyd Hill Project Update
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The Colorado Department of Transportation’s I-70 Floyd Hill Project continues construction on the East Section of the project, which spans I-70 from County Road 65 to the bottom of Floyd Hill (approximately exits 248 to 244). Motorists can expect corridor-wide impacts to establish a safe work zone and install traffic control signage. This will require lane restriping, shoulder closures and installation of temporary barriers to separate the work area from I-70 travel lanes.
Motorists should expect narrower lanes and shoulders, reduced speed limits as low as 45 mph and increased truck traffic entering and exiting the work zones. All construction activities are weather dependent and subject to change.
During construction, the existing I-70 travel lanes will remain open in each direction during peak daytime travel hours. Lane closure hours for the duration of construction will vary based on the season, day of week, number of lanes being closed and travel direction.
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Map of the I-70 Floyd Hill Project Work Zone
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Eastbound I-70 Traffic Impacts
- Watch for overnight double lane closures on eastbound I-70 from the US 6 interchange (Exit 244) to the County Road 65 interchange (Exit 248) for the installation of temporary barrier. One lane of traffic will remain open.
- 11 p.m. to 6 a.m., Sunday, July 16
- 8 p.m. to 6 a.m., Monday, July 17, through Thursday, July 20
- 8 p.m. to 6 a.m., Wednesday, July 19, and Thursday, July 20 - The eastbound I-70 off-ramp to Homestead Road (Exit 247) will be closed for roadway repairs. Detour: Continue on eastbound I-70 and turn around using the El Rancho interchange (Exit 251).
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Detour map for the eastbound I-70 off-ramp closure to Homestead Road
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Westbound I-70 Traffic Impacts
- Watch for overnight double lane closures on westbound I-70 from the County Road 65 interchange (Exit 248) to the US 6 interchange (Exit 244) for roadway repairs. One lane of traffic will remain open.
- 9 p.m. to 6 a.m., Sunday, July 16
- 8 p.m. to 6 a.m., Wednesday, July 19
- 9 p.m. to 5 a.m., Thursday, July 20
Corridor-Wide Traffic Impacts
- Reduced speed limits as low as 45 mph, narrower lanes and shoulders, and increased truck traffic entering and exiting the work zones. Heed the speed limit, do not follow trucks into the work zone, go slow for the cone zone and do not drive distracted.
- All construction activities are weather dependent and subject to change. For real-time travel information, visit COTrip.org.
I-70 Floyd Hill Design Work
- 6 p.m. to 6 a.m., Monday, July 17 through Thursday, July 20 - The US 6 on-ramp to westbound I-70 (Exit 244) will be closed for geotech work. For access to westbound I-70, head east on US 40 and use the Homestead Road on-ramp to westbound I-70 (Exit 247).
- 9 a.m. to 3 p.m., Thursday, July 20 - Expect intermittent lane and shoulder closures in the I-70 and Central City Parkway interchange for utility potholing.
US 40 Roundabouts Project
- Watch for a full closure of US 40 from just west of Homestead Road to the Floyd Hill Open Space for sewer installation:
- 8 a.m. Monday, July 24, through noon, Friday, July 28
- 8 a.m. Monday, July 31, through noon, Friday, Aug. 4
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About the Project
The I-70 Floyd Hill Project will improve eight miles of the I-70 mountain corridor, from west of Evergreen to eastern Idaho Springs. The Project will deliver a third westbound I-70 travel lane, which will function as an Express Lane, to improve the current two-lane bottleneck. Other major elements include constructing a missing two-mile section of the frontage road between Evergreen and Idaho Springs, building an eastbound I-70 extended on-ramp for slow-moving vehicles, improving traffic flow and access at interchanges and intersections within the project limits, improving sight distance on roadway curves, improving the Clear Creek Greenway trail, and implementing environmental mitigation to create safer wildlife movements and improve air and water quality, stream conditions and recreation.
Construction began in July 2023 and is expected to conclude in late 2028.
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