I-70B/US 6 Interchange Improvements in Grand Junction

Project Facts

  • Cost:$5.6 million
  • Location: Grand Junction
    1. I-70 business access route between Rimrock Avenue and North 1st Avenue (mile points 4.2-4.7)
    2. US Highway 6 (aka, North Avenue) from mile points 30.1-30.7

Project Team

  • Contractor(s): United Companies, Inc.

View of westbound I-70B from the bridge.jpg

From Monday, June 12 through late October 2017, crews will resurface and do maintenance work on a stretch of the Interstate 70 business access route (I-70B), and on US 6 in Grand Junction. Specific work includes:

  • paving;
  • visibility improvements for merging traffic;
  • minor shoulder widening;
  • traffic signal upgrades
  • curb and gutter replacement;
  • storm-drain enhancements; and
  • installing a new, eight-foot-wide sidewalk along the south side of eastbound I-70B.


  • Normal working hours: 7 a.m. - 7 p.m., Monday through Friday
  • Weekend work is not expected.
  • Late August: Milling on westbound I-70 is tentatively scheduled.
  • Sept. 5: Paving begins.
  • Late September: Crews will replace the traffic signal at the intersection of North Avenue and 1st Avenue.

Traffic Impacts

  • Speed limits are reduced to 30 mph throughout the construction zone.
  • Expect single-lane closures throughout the work zone.
  • No vehicle-width restrictions are in effect.
  • Alternate routes are advised during construction season.
  • No additional night work is expected.
  • No additional full closures are expected.
  • In late September, flaggers will be directing traffic at the intersection of North Avenue and 1st Avenue.