Mast Arm Installation in Jefferson and Arapahoe Counties

 Project Complete!

Crews on this project will begin work consisting of signal replacement, including Colorado’s first 85-foot mast arm; curb ramp replacement; and minor signing and striping at the following intersections:

  • CO 121 (Wadsworth Blvd.) and Ken Caryl Ave 
  • CO 121 (Wadsworth Blvd.) and C-470 North and South 
  • CO 88 (Arapahoe Rd.) and S Revere Parkway

Project Facts

  • Cost: $1.76 Million
  • Contractor: WL Contractors
  • Timeline: August 2020 - June 2021
  • Location: Various intersections in Jefferson and Arapahoe Counties

Proposed Work Schedule

  • Work is complete

Traffic Impacts

  • Expect single lane closures and slight delays during the working hours 6 am to 6 pm Monday through Friday.