Traffic Impacts
Construction Activities & Impacts
Work for the week | Jan. 22 to Feb. 28
Lane closures for the week of Feb. 22:
- Starting Monday through March 27: Weekday daytime full closures of WCR 32 under I-25.
- Tuesday: Overnight northbound I-25 alternating lane closures between CO 66 and WCR 32.
- Tuesday: Overnight southbound I-25 alternating lane closures between CO 56 and Little Thompson River (MP 249)
- Wednesday through Saturday: Alternating I-25 E. Frontage Road lane closures with flaggers between WCR 36 and WCR 38.
- Ongoing: Full closure of I-25 E. Frontage Road access to WCR 34.
Starting March 1, CDOT’s Colorado Speed Enforcement Program will begin issuing warnings to drivers who exceed the posted speed limit in the I-25 North work zone between Mead and Berthoud. Warnings will be mailed to the vehicle's registered owner within 30 days of the violation.
Warnings will be given for at least 30 days before civil penalties begin. Once civil penalties begin, speeding drivers in the I-25 North work zone will be mailed a $75 fine that must be paid within 45 days.
The Colorado Speed Enforcement Program targets excessive speed in vulnerable areas such as work and school zones, which is the leading contributor to traffic crashes and fatalities in Colorado.
For more information about the program, please visit codot.gov/programs/speedenforcement.
The speed limit on the project has been lowered to 65 mph. Please obey speed limit signs.
Weld County Road 32 Closures
The Town of Mead has closed WCR 32 under I-25 through Saturday, Feb. 21 for a water line installation. For more information on that closure, go to townofmead.org/engineering/page/street-maintenanceroad-closures-0.
Starting Monday through March 27, 7 a.m. to 5 p.m., there will be continued daily temporary full closures of Weld County Road 32 under I-25, Monday through Friday, for column and pier cap construction for the bridge. The road will be open to thru traffic at night and on weekends. All work is weather dependent.
- 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, 9 p.m. to 5 a.m., there will be northbound I-25 alternating lane closures between CO 66 and WCR 32 for rumble strip installation.
Tuesday, 9 p.m. to 5 a.m., there will be southbound I-25 alternating lane closures between Colorado Highway 56 and the Little Thompson River (mile point 249) for rumble strip installation.
Wednesday through Saturday, 7 a.m. to 5 p.m., there will be alternating I-25 E. Frontage Road lane closures controlled by flaggers, between Weld County Road 36 and Weld County Road 38, to allow crews to install drainage pipe across the road.

I-25 E. Frontage Road Access Impacts:
The I-25 E. Frontage Road will be 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 Weld County Road 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 WCR 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.
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 I-25 North Express Lanes, Berthoud to Fort Collins, opened in December 2023 and finalized finishing touches in the spring of 2024.
Since then, the Express Lanes have been open for use in a testing phase, allowing drivers to take advantage of the new Express Lanes, without paying a toll.
The Express Lanes are currently anticipated to begin tolling in early 2026. Once tolling begins in 2026, motorists are encouraged to sign up for an ExpressToll account to save an average of 40% on tolls.
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.
No major traffic impacts this week.
No major traffic impacts this week.
