Full closure of northbound CO 157 (Foothills Parkway) slated for this weekend

Travel Advisory

April 8, 2026 - Northeastern Colorado - Local detour route in effect Friday night through Sunday evening at Pearl Street

Boulder - The Colorado Department of Transportation and its contract partner, ACME Concrete Paving Inc., will close all northbound lanes on Colorado Highway 157 (Foothills Parkway) at Pearl Street on Friday evening, April 10. The closure will remain in place until Sunday evening, April 12. Crews will be removing and replacing concrete panels as part of a pavement rehabilitation project.
The full closure is required to maintain the safety of motorists and the project team while decreasing the duration of overall impacts to the traveling public.

Traffic Impacts

  • A single-lane closure will begin Friday evening on northbound CO 157 at Pearl Street at 7 p.m., followed by a full roadway closure at 9 p.m.
  • The full closure will remain permanently in place for the duration of the weekend before reopening on Sunday evening.
  • Northbound travelers will be rerouted off of CO 157 at the Pearl Street exit, across Pearl Street to the CO 157 on-ramp.
  • Both northbound drivers on CO 157 and east/westbound drivers on Pearl Street should expect up to 15-minute delays related to the closure.
  • Southbound lanes on CO 157 will remain open.
  • Drivers are encouraged to use alternate routes over the weekend to avoid congestion in the area.
  • Uniformed traffic control officers will be in place to help facilitate the flow of traffic. Please slow down, watch for workers and equipment and leave plenty of room between vehicles.
  • Visit COTrip.org for real-time lane closure updates and road conditions on this project and others throughout the state.
Map of the northbound road closure on CO 157 over Pearl Parkway and detour route.
Map of the northbound road closure on CO 157 over Pearl Parkway and detour route.

Project Contact Information

Know Before You Go

Travelers are urged to “know before you go.” Gather information about weather forecasts and anticipated travel impacts and current road conditions prior to hitting the road. CDOT resources include:

Remember: Slow For The Cone Zone

The following tips are to help you stay safe while traveling through maintenance and construction work zones.

  • Do not speed in work zones. Obey the posted speed limits.
  • Stay Alert! Expect the unexpected.
  • Watch for workers. Drive with caution.
  • Don't change lanes unnecessarily.
  • Avoid using mobile devices such as phones while driving in work zones.
  • Turn on headlights so that workers and other drivers can see you.
  • Be especially alert at night while driving in work zones.
  • Expect delays, especially during peak travel times.
  • Allow ample space between you and the car in front of you.
  • Anticipate lane shifts and merge when directed to do so.
  • Be patient!

Download the COtrip App!

The free COtrip Planner mobile app was designed to meet the growing trend of information on mobile and tablet devices for the traveling public. The COtrip Planner app provides statewide, real-time traffic information, and works on mobile devices that operate on the iOS and Android platforms. Visit the Google Play Store (Android devices) or the Apple Store (iOS devices) to download!