US 40 & I-70 Intersection Improvements in Aurora

Work Schedule

Week of July 6-18

Daytime Operations
8 a.m. to 3 p.m. Monday through Friday

Week of July 6

During operations, motorists may experience a single lane closure at the following locations:

  • Tower Road approaching the I-70 ramps
  • Colfax Avenue, from Fitzsimmons Pkwy to Sable Rd

Week of July 13

  • During operations, motorists may experience shoulder closures on Colfax Ave. in both directions from Fitzsimons Pkwy to Sable Rd

Locations & Work Details

weather dependent and are subject to change. For the safety of crews and motorists, the speed limit will be reduced to 30 mph.

Colfax Avenue & I-225 in Adams County (at mile point 306.3)

From September through November 2019, crews will:

  • replace traffic signals;
  • improve sidewalks to comply with the ADA;
  • widen ramps on I-225; and
  • extend left-turn lanes from westbound Colfax Avenue onto Potomac;
  • add a second left-turn lane in both directions of Colfax Avenue onto I-225.

Travel impacts include:

  • single- and double-lane closures in both directions;
  • sidewalk closures; and
  • on- and off-ramp closures.

Colfax Avenue & Chambers Road in Adams County (at MP 307)

From late August through October 2019, crews will:

  • replace traffic signals;
  • improve sidewalks to comply with the ADA; and
  • add a second left-turn lane on westbound Colfax onto Chambers Road.

Travel impacts include:

  • single-lane closures in both directions; and
  • sidewalk closures.

I-70 and Tower Road in Adams County (at MP 285)

November Work: Traffic signal replacement, improvements to sidewalks in compliance with the ADA Impacts: North and southbound single lane closures, sidewalk closures, on and off–ramp closures

In November 2019, crews will:

  • replace traffic signals; and
  • improve sidewalks to comply with the ADA.

Travel impacts include:

  • single-lane closures in both directions;
  • sidewalk closures; and
  • on- and off-ramp closures.

Project Facts

Goal: Improve safety and support area traffic growth.

Cost: $2.5 million

Contractor: KECI Colorado, Inc.

Timeline: late August 2019 - July 2020

Location:

  • Colfax Avenue (US 40) and I-225 at MP 306.3
  • Colfax Avenue and Chambers Road at MP 307
  • I-70 and Tower Road at MP 285

Work hours: 8 p.m. - 5:30 a.m. Sunday - Friday