CO 157 Pavement Rehabilitation

About the Project

The Colorado Department of Transportation and prime contractor Acme Concrete Paving Inc., will be performing a concrete rehabilitation project on CO 157 (Foothills Parkway) in the City and County of Boulder. Construction will take place between CO 119 and Pearl Parkway (Mile Point 2.73 to MP 4.52.) 

Major work components will include:

• Removal of existing concrete panels
• Pouring and curing new concrete panels
• Diamond grinding
• Sign replacements
• Guardrail upgrades

Work this Week & Lane Closures CO 157 Pavement Rehabilitation

Project Facts

• Construction Cost: $4.3 million
• Contractor: Acme Concrete Paving Inc.
• Timeline: March 2026 to September 2026
• Location: CO 157 
  • Nearest Town/City: Boulder
  • Mile Point(s): MP 2.1 to MP 4.53
  • County: Boulder

Project Benefits

• Prolong the service life of the roadway
• Help resist weather and stress related deterioration
• Reducing road irregularities through diamond grinding operations
• Provide a smoother ride for motorists
• Decrease general wear-and-tear on vehicles
• Guardrail upgrades enhance driver safety throughout the project corridor

Work Schedule

• General working hours will take place weekday nights from 7 p.m. to 7 a.m.
• Additional daytime and weekend work is expected intermittently

Traffic Impacts

From April 24 to 27, 2026:

Full northbound weekend closures continue on CO 157 over the weekend:

• Friday, April 24, through Monday morning, April 27:
  • A single-lane closure will begin at 7 p.m. Friday evening on northbound CO 157 from Valmont Road to CO 119 followed by a full roadway closure at 9 p.m.
  • The full closure will remain in place for the duration of the weekend before reopening at 7 a.m., Monday morning
  • Northbound CO 157 travelers will be rerouted west on Valmont Road, north on 30th Street and east on CO 119 (Diagonal Highway)
  • Eastbound motorists on Valmont Road seeking to access northbound CO 157 will be rerouted south on 47th Street, west on Pearl Street, north on 30th Street and east on CO 119 (Diagonal Highway)
  • Westbound motorists on Valmont Road will follow the same 30th Street to CO 119 detour route
  • Southbound lanes on CO 157 will remain open throughout the closure.
  • Please refer to detour maps below for additional information.
• Refer to COtrip.org for real-time travel conditions and road closures