• Project

I-90 - Snoqualmie Pass East - Hyak to Keechelus Dam (Phase 1) - Complete Fall 2019

Project overview

Phase 1 was part of a 15-mile corridor improvement project to improve safety and reliability and reduce congestion along I-90 from Hyak to the Easton vicinity.

Spring 2009 - Fall 2019
Project status
$453 Million

What to expect

Construction for this project phase is complete.

Phases 1 and 2 of the I-90 Snoqualmie Pass East project widened I-90 from four to six lanes, stabilized rock slopes, built bridges and connected wildlife habitat.