It seems like you can't go anywhere in Northern Colorado without running into the "cone zone. There is construction everywhere.  The Colorado Department of Transportation puts out a weekly list of major constructions projects. Here is the list  for Northern Colorado this week:

Bridge Construction Continues at Windsor Exit

  • The interchange improvement project at I-25 and State Highway 392 will continue this week.
  • Expect various lane closures on northbound and southbound I-25 at CO 392 for sandblasting on the bridge and deck panel installation.
  • The $17.5 million project will replace the SH 392 bridge over I-25 with one that is wider to accommodate two lanes in each direction as well as a left-turn lane in each direction. There will also be a six-foot bike lane and a 6.5-foot sidewalk on each side of the bridge.

Replacing Railroad Crossing on Highway 34 Just East of I-25

  • US 34 Eastbound/Westbound Between Larimer Parkway and Larimer County Rd 3 east of I-25 Only one lane open in each direction on US 34 to allow the Union Pacific Railroad to replace the railroad crossing.
  • The project started this last weekend and should be completed April 2st & 22nd.
  • No truck traffic allowed on US 34 through the work zone.

Road Widening on Highway 34 in Estes Park

  • US 34 in Estes Park will be widened at the Mall Road intersection.
  • Construction will be done 7:00am-4:30pm, Monday-Friday.
  • There will be one lane alternating traffic for road widening at Mall Road intersection. Delays possible.

Lane Closures for Cable Rail Installation on Highway 85

  • Lane closured on US 85 Northbound/Southbound Between Brighton and Fort Lupton for cable rail installation through May.
  • Construction is 8:00am-4:30pm, Monday through Friday. Single lane closures are expected. Delays possible.

Highway 7 Road Improvements in Boulder 




  • CDOT will reconstruct State Highway 7 in Boulder, also known as Arapahoe Road, from Cherryvale Road to 75th Street. The project will improve the safety and operation of the highway in addition to adding new features for pedestrians. The railroad bridge near 75th Street will also be replaced with wider structures to accommodate the roadway beneath.
  • From now through Friday, April 20th, Highway 7 will be reduced to one lane between 75th Street and Cherryvale Road. During the work hours of 9 a.m. to 3 p.m. Mondays through Fridays.