The Colorado Department of Transportation (CDOT) will permanently close the I-25 East Frontage Road access to Weld County Road 34 in Mead on January 5 at 5 a.m. The closure is necessary for crews to extend the North Creek Box Culvert as part of the I-25 North Express Lanes project.
CDOT has coordinated this closure with the Town of Mead and Weld County, which are constructing a two-mile section of High Plains Boulevard between Weld County Road 32 and Weld County Road 36. Once completed, currently expected in summer 2026, traffic that previously used the frontage road will be redirected to High Plains Boulevard. Afterward, use of the frontage road will be limited to private property and utility access.
Local motorists will retain access to their properties between WCR 34 and WCR 36, as well as between WCR 34 and WCR 32. However, through traffic will not be permitted in either direction.
In late January, construction crews plan to reduce the asphalt roadway width on certain sections of the frontage road from Mulligan Street (located northeast of Colorado Highway 66 and I-25) to Colorado Highway 56. This work is intended to prepare for widening northbound lanes on I-25 and transitioning the frontage road.
During construction activities, portions of the frontage road south of WCR 32 will also be closed so crews can complete widening and drainage improvements along I-25. Detour routes and speed limit reductions will be clearly posted for drivers. CDOT advises motorists to drive carefully through all work zones.
Maps detailing detour areas and changes in access are available online at codot.gov/projects/northi25, where travelers can find up-to-date information about ongoing construction impacts.
Construction timelines may change depending on weather conditions.
