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

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

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.