Traffic Impacts
Construction Activities & Impacts
Work this Week | May 4 to May 10
Lane closures for the week of May 4:
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Wednesday: Ongoing full closure of WCR 34 over I-25 through June 18.
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Wednesday: Ongoing full closure of northbound I-25 on- and off-ramps at WCR 34 through May 23.
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Wednesday: Ongoing full closure of the I-25 E. Frontage Road, north and south of WCR 34, through May 23.
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Monday through Saturday: Intermittent closures with flaggers on WCR 34, west of I-25.
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Ongoing: Full closure of Valley Road, under I-25, through summer 2025.
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.
The speed limit on the project has been lowered to 65 mph. Please obey speed limit signs.
Starting Wednesday at 9 p.m., Weld County Road 34, over I-25, will be temporarily closed through Wednesday, June 18 at 5 p.m. This closure will allow crews to pour concrete pavement, complete the new WCR 34 overpass, and perform ramp and future intersection earthwork as construction progresses.
- Eastbound WCR 34 traffic will turn south on southbound I-25 to Colorado Highway 66, and turn east to CO 66, then north on Colorado Boulevard to WCR 34.
- Westbound WCR 34 traffic will turn south on Colorado Boulevard, turn west on CO 66, and turn north on County Road 7 to WCR 34.
There will also be northbound I-25 on- and off-ramp closures at WCR 34, and a full closure of the E. Frontage Road, north and south of WCR 34, starting Wednesday at 9 p.m. through Friday, May 23 at noon.
Northbound I-25 traffic exiting at WCR 34 will continue north to CO 56, turn south on I-25 and travel to WCR 34.
- Southbound I-25 traffic exiting at WCR 34, will travel south on I-25 to CO 66.
- Northbound E. Frontage Road traffic will turn east on Weld County Road 32, turn north on Colorado Boulevard, and turn west on Weld County Road 36 to the E. Frontage Road.
- Southbound E. Frontage Road traffic will turn east on WCR 36, turn south on Colorado Boulevard, then turn west on WCR 32.
Monday through Saturday, 7 a.m. to 5 p.m., WCR 34, west of I-25, will have brief, intermittent closures controlled by flaggers for earthwork and hauling operations.
Additional Closures:
A temporary closure of Valley Road is ongoing to allow crews to reconstruct the bridge over the road. This closure will be in place through summer 2025. Motorists should plan accordingly, as no detour route is available.
Southbound I-25 traffic shifted to the northbound lanes between CO 56 and CO 66 into a head-to-head configuration and will be in place through 2025.
As of Friday, Dec. 15, 2023, the I-25 North Express Lanes, Berthoud to Fort Collins, hit a major milestone and is now substantially complete.
While most of the work in this section of I-25 is done, CDOT and the contractors will have various intermittent lane closures through spring 2024 to finish final project punch list tasks. The Express Lanes are now open for testing, but drivers should also prepare for intermittent closures of these lanes in 2024. Express Lane tolls are waived during the testing phase.
For future project updates and information, please continue to check the project website and CoTrip.org.
Drivers are encouraged to try the Express Lanes by entering through the dashed white lines. When using the lanes, drivers are reminded to follow these rules to ensure the safety of everyone on the road:
- Do not cross the solid white lines (tickets for violations start at $75 each).
- Enter and exit at the designated areas only, which are marked with a white dotted line.
- Obey posted speed limits. The Express Lanes cannot be used to pass slower moving vehicles.
Motorists should expect various overnight and lane closures, including in the Express Lanes, while the last of the construction wraps up and tolling equipment is installed. The Express Lanes are anticipated to begin tolling in 2024. Once tolling begins in 2024, motorists are encouraged to sign up for an ExpressToll account to save an average of 40% on tolls.
No major traffic impacts this week.
No major traffic impacts this week.
