Projects

US 287 Longmont Intersection Improvements

Work this Week

July 5
  • There will be various northbound and southbound single lane closures Monday - Friday from 7 am - 5 pm. 

  • All work is weather dependent and subject to change.

About the Project

Starting April 20, motorists can expect single lane closures along US 287 (Main Street) in Longmont as the Colorado Department of Transportation begins work on improvements to three intersections.

This project will improve driving conditions and safety along three stretches of US 287. Work on this project will include:

  • adding a lane on northbound US 287 starting at Pike Road and ending 1000 feet south.
  • median work on US 287 at 17th Avenue and at Grand Avenue
  • median work on US 287 at Grand Ave

Duran Excavating, of Greeley, is the prime contractor on this project. Work is expected to be complete by mid-August. 

Project Facts

  • Cost: $1.3 million
  • Contractor:  Duran Excavating
  • Timeline: April - August 2020
  • Location: On northbound US 287 from Pike Rd. 1000' south, with median work on US 287 at 17th and Grand Ave.

US 287 Longmont Project Map

US 287 (Main Street) in Longmont



Travel Impacts

  • Motorists can expect daytime single lane closures, Monday through Friday from 7:00 a.m. to 5:00 p.m 

    Proposed Work Schedule

    • Motorists can expect daytime single lane closures, Monday through Friday from 7 a.m. to 5 p.m. 


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