I-80/I-380 construction

Project Schedule

This is a high-level overview of different phases of the project. This is the project schedule as it stands now, but it is only preliminary and may change.

View staging map

July 2017 through 2018 (State Fiscal Year 2018 funding)

  • Clearing and grubbing as needed for later utility relocations.
  • Begin utility relocations.
  • Grading project north of Highway 6 on the west side of I-380 (coordinated with Forevergreen Road interchange grading and utility relocations).
  • Refer to the Forevergreen Road page for coordinated Forevergreen Road work.


July 2018 through 2019 (State Fiscal Year 2019 funding)

  • Clearing and grubbing as needed for grading.
  • Continued utility relocations.
  • Grading in the southwest quadrant (including relocated county roads, bridge approach embankments).
  • Grading in the northeast quadrant; bridge approach embankment.
  • Begin construction on the eastbound to northbound and on the eastbound to southbound bridges. These bridges are planned to be completed in two years.
  • Nighttime shoulder strengthening and widening work may begin. This is preliminary work needed for traffic staging.
  • Depending on funding availability, additional bridges may be advanced into this year.
  • Forevergreen Road interchange construction continues and is completed in the fall of 2019.


July 2019 through 2020 (State Fiscal Year 2020 funding)

  • Clearing and grubbing as needed for grading.
  • Grading occurs project wide outside of the existing pavement.
  • Begin construction on some of the I-380 median bridges.
  • Nighttime shoulder strengthening and widening work to prepare for future traffic shifts and future staging.
  • Depending on funding availability, additional bridges may be advanced into this year.


July 2020 through 2021 (State Fiscal Year 2021 funding)

  • Median reconstruction along I-80 and I-380.
  • I-380 widening from near U.S. 6 to approximately 1.2 miles north of Forevergreen Road.
  • Grading and paving of various ramps.
  • New median bridges on I-380.
  • Bridge widening on I-80; new bridge approaches.
  • Depending on funding availability, additional bridges may be advanced into this year.


July 2021 through 2022 (State Fiscal Year 2022 funding)

  • New lanes on I-80 and I-380.
  • Various new bridges and ramps on I-80 and I-380.
  • Grading and paving of various ramps.


July 2022 through 2023 (State Fiscal Year 2023 funding)

  • New lanes on I-80 and I-380.
  • Various new bridges and ramps on I-80 and I-380.
  • Grading and paving of various ramps.


July 2023 through 2024 (State Fiscal Year 2024 funding)

  • Final I-80 paving and bridge work.
  • Park Road Bridge.


2025 (State Fiscal Year 2025 funding)

  • Finish erosion control.