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Western Intersection Selected Alignment

West End – Phase 1A

MP 56–58, 100% design (construction began in 2021. This scope of work will be added to the Phase 3 & 4 grading and drainage project. This erosion repair work is anticipated to occur in Spring 2024.)

Off Alignment – Phase 2-6 Map - LARGE FILE

New highway, 95% design; shows more detailed structures, intersections, trailheads, with updated aerial imagery from the 2021 construction season.

East End - Phase 1B - LARGE FILE

MP 45–47, 95% design (construction is anticipated to begin in 2024 and be completed in 2026)


Public Open House Materials

April 20, 2023 Public Meeting Materials

August 24, 2021, Fall Online and In-person Public Meeting Materials


October 22, 2020, Online Fall Public Meeting Materials:

February 25, 2020, Public Meeting

October 29, 2019, Public Meeting

Project Updates

Design Phase

Documents developed during the design phase are posted here when available.

Other Project-Related Documents

Environmental Phase

Visit archived pages related to the EIS using the links below.

Archived Documents

The links below are to documents that were developed prior to the current design stage. Click on the titles to explore the alternatives considered, impacts and benefits anticipated, and approved mitigation measures. There are also links to early engineering studies.