Work on US 85 North of Ault will start affecting Nunn in September

August 31, 2015 - Northeastern Colorado/CDOT Region 4 - Traveler Delays Expected as Repaving Progresses.

WELD COUNTY — The next step of the road resurfacing work on US 85 north of Ault will have significant impacts for drivers in Nunn, beginning in early September and lasting through the middle of the month.

Travelers should expect congestion and lane closures on eastbound and westbound County Road 100 and northbound and southbound US 85 through mid-September while road crews install acceleration and deceleration lanes. Work crews also plan to close lanes in order to complete the full-depth reclamation process to 4th Street in Nunn in September and will proceed with full depth-reclamation on CR 100 west of US 85, for approximately 250 feet. Upon completion of the full-depth reclamation to 4th Street and on CR 100, asphalt paving will begin.

TRAVEL IMPACTS: Travelers should expect congestion at CR 100 due to the installation of acceleration and deceleration lanes and other construction projects in the area. There will be intermittent lane closures on US 85 and CR 100 resulting in delays of up to 15 minutes. Pilot cars will direct travelers through several single-lane closures spanning up to two miles each throughout the project site. Construction work hours will run from 7 a.m. to 5 p.m., Monday through Friday. Speed limits through the project zone will be reduced to 40 mph at all times, including nights and weekends, due to uneven lanes and gravel roads. Width restrictions of 12 feet will be in place during working hours. Motorists should exercise caution at all times while navigating the work zone

For project updates, please email [email protected], call the project hotline at 970-373-1584 or log on to the project website:

For information about other CDOT projects, the public may log on to CDOT’s traveler information website at, where you can download the CDOT mobile application by clicking on the cellphone icon in the bottom-right side of the page. You can also go to for updates. Thank you for going Slow for the Cone Zone!