An Employee Owned Company

E-470 Widening – Parker Road to I-70 Interchange




Services Provided

Construction Materials Testing, Geotechnical Engineering and Pavement Design


  • Phase 1 construction for the widening of E-470 mainline from the bridge structures over Cherry Creek to Quincy Avenue is approximately 8 miles in length.
  • Phase 1 widening was completed in January of 2018.
  • The roadway embankment template was widened to the ultimate configuration with the 3rd and future 4th lane added and paved in each direction
  • Nine bridge structures were widened to the ultimate configuration, 4 lanes in each direction.
  • Phase 2 is currently being constructed with completion anticipated by April of 2021.
  • Phase 2 includes approximately 8 additional miles of alignment from Quincy Avenue through the I-70 interchange terminating on the north side of Smith Road.
  • This phase of the project includes the widening of 14 bridge structures and the extension of 2 major box culverts.

Additional PROJECTS