I-70 Aerotropolis Parkway Interchange

About the Project

This is a local agency project for the Aerotropolis Regional Transportation Authority. The project consists of building a new interchange on I-70 east of E-470.

Work includes:

  • Realigning the south portion of Colfax Avenue/I-70 Frontage Road
  • Adding drainage ponds
  • Building on and off ramps 
  • Constructing a new bridge spanning I-70
  • Constructing roundabouts on the north and south ends of the interchange that will eventually tie into future roadways

Work This Week & Lane Closures on I-70 at I-70 Frontage Road

Project Facts

  • Construction Cost: $36 million
  • Contractor: Ames Construction
  • Timeline: August 2025 to November 2026
  • Location: I-70 
    • Nearest Town/City: Aurora
    • Mile Point(s): MP 289.97 to MP 291.19
    • County: Adams
Map of the I-70 Aerotropolis Parkway Interchange project location on I-70 east of E-470
Map of the I-70 Aerotropolis Parkway Interchange project location on I-70 east of E-470

Project Benefits

  • Provide much-needed access to developments from Aurora and Adams County
  • Improve connectivity to Denver International Airport and the adjacent Colorado Aerotropolis development

Work Schedule

  • Working hours are 6 a.m. to 6 p.m., Monday to Friday
  • Some overnight (7 p.m. to 5 a.m.) and weekend work also expected

Traffic Impacts

Motorists can expect the following impacts during the period of construction:

  • Single overnight lane closures will occur in both directions of I-70 within the project limits from 6 p.m. to 6 a.m., Sunday to Thursday
  • Single lane closures can be expected in both directions of I-70 within the project limits at anytime on Saturday and Sunday
  • A full closure of I-70 will be in place to set girders for the new bridge structure later in the project, with detour routes posted
  • Traffic shifts, lane closures and changing conditions will exist on the Colfax Avenue/I-70 Frontage Road during day and night work
  • Signs and construction devices will be present to alert motorists to the work zone, impacts and other restrictions
  • Construction schedules are weather dependent and subject to change
  • Refer to COtrip.org for real-time travel conditions and road closures