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I-25 North Express Lanes Project Newsletter
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Construction impacts for the week of
May 17, 2026
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Mead to Berthoud
Daily full closures of Weld County Road 32 under I-25 will resume Monday through Thursday, 7 a.m. to 5 p.m., and Friday, 7 a.m. to noon, to allow crews to set new bridge girders. The road will be open to thru traffic at night and on weekends. All work is weather dependent and subject to change.
- Eastbound WCR 32 traffic will take Weld County Road 7 south to Colorado Highway 66, turn east to Weld County Road 9.5, and turn north to WCR 32.
- Westbound WCR 32 traffic will take WCR 9.5 south to CO 66, turn west to WCR 7, and turn north to WCR 32.
Tuesday, 7 a.m. to 5 p.m., there will be intermittent brief traffic stops controlled by flaggers on the I-25 E. Frontage Road at WCR 32 to allow crews to set new bridge girders near the roadway. Plan for delays.
Project operations will cease at noon on Friday, May 22 and resume Tuesday, May 26 to help minimize potential traffic delays during the Memorial Day weekend. The only exception would be for emergency operations.
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Berthoud to Fort Collins
Sunday and Monday, 9 p.m. to 5 a.m., there will be a northbound I-25 Express Lane and left lane closure between Colorado Highway 56 and River Ranch Parkway for lane striping.
Tuesday through Thursday, 9 p.m. to 5 a.m., there will be a northbound I-25 Express Lane and left lane closure between River Ranch Parkway and Colorado Highway 392 (Carpenter Road) for lane striping.
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Colorado Speed Enforcement Program — Fines for speeding in the I-25 North work zone between Mead and Berthoud are now active
CDOT is now issuing $75 fines for speeding in the I-25 North work zone between Mead and Berthoud. Civil penalties are active as of April 2, following a 30-day grace period during which speeding drivers were given warning notices.
The Colorado Speed Enforcement Program targets excessive speed in vulnerable areas such as work and school zones, which is a frequent cause of traffic crashes and fatalities in Colorado.
For more information about the program, please visit codot.gov/programs/speedenforcement.
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I-25 E. Frontage Road Access Impacts:
The I-25 E. Frontage Road is temporarily closed to thru traffic between WCR 32 and CO 56 to prepare for the I-25 northbound lane widening and the frontage roadway transition. Crews have demolished the WCR 32 bridge and will reduce the asphalt roadway width on isolated sections of the frontage road. Viable detour routes and speed limit reductions will be posted. Please drive carefully through the work zones and reduced roadway sections. Motorists may use alternate north/south roadways such as WCR 9.5, WCR 7 and Colorado Boulevard.
CDOT changed I-25 E. Frontage Road thru access north of WCR 34, near Mead, in January. Closing frontage road access to WCR 34 is required for crews to extend the North Creek Box Culvert as part of the I-25 North Express Lanes Project. This access change is part of CDOT’s continued coordination with the Town of Mead and Weld County, who are building a 2-mile portion of High Plains Boulevard between WCR 32 and Weld County Road 36.
Once opened (projected summer 2026), traffic that previously used the frontage road will use High Plains Boulevard, and the frontage road use will transition to private property and utility access only. As shown on the map, local motorists will be able to access their properties between WCR 34 and WCR 36 but thru traffic will not be allowed. Similarly, local motorists will be able to access their properties between WCR 34 and WCR 32 but no thru traffic will be allowed.
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Additional Closures:
Approximately one mile of the southbound I-25 Express Lane, between mile points 251 and 250, from approximately Weld County Road 44 to Weld County Road 46, is closed through late 2027.
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Construction on I-25 North Express Lanes: Mead to Berthoud
The project team recorded a presentation video with general project information, including schedule, scope, travel impacts, ways to connect with the project and more!
Community members are encouraged to watch the presentation video and submit any feedback or questions to the project team at northi25ex...@gmail.com.
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Additional Information
For specific lane closures and traffic impacts from Sunday, May 17 - Saturday, May 23, please use this interactive map on the project webpage. To display full details on the traffic impacts, please click on any of the color-shaded areas on the map to see the full details. A pop-up on the left side of your screen will outline the details of the lane closures.
Construction activities are weather-dependent and subject to change. Please watch for construction vehicles entering and exiting mainline I-25 and obey all posted signage in construction zones. Your safety and the safety of our crews is our highest priority.
The I-25 North Express Lanes Project provides a Courtesy Patrol during commute hours (6 to 9 a.m. and 3:30 to 6:30 p.m.) to assist with disabled vehicles within the Project limits from Johnstown to Fort Collins.
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About the Project
Communities along the I-25 North corridor are expanding rapidly, contributing to major economic growth in northern Colorado. The Colorado Department of Transportation is supporting this growth by delivering the expansion of I-25 North. Improvements are currently underway along I-25 between Berthoud and Fort Collins (with more to come from Mead to Berthoud).
This project brings economic, environmental and quality of life benefits for northern Coloradans by:
- Making safety improvements to reduce the number of crashes and fatalities.
- Decreasing travel time and increasing trip reliability.
- Reducing emissions and improving freight efficiency.
- Improve congestion and safety.
- Rebuilding aging and obsolete infrastructure.
- Improving bicycle, pedestrian and transit connectivity.
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Copyright © 2023 Colorado Department of Transportation, All rights reserved.
Our mailing address is:
Colorado Department of Transportation
2829 W Howard Pl
Denver, CO 80204-2305
You are receiving this email because you requested information regarding construction updates for the I-25 North Express Lanes Project. Update your preferences or unsubscribe from this list.
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