Project overview
Phase 4 is part of a 15-mile corridor improvement project to increase safety and reliability and reduce congestion along I-90 from Hyak to the Easton vicinity.
Timeline
Summer 2028 - Fall 2031
Project status
Not started
Funding
$206 Million
What to expect
Construction for this project phase has not started and drivers should not expect to see travel delays.
Phases 3 and 4 of the I-90 Snoqualmie Pass East project widens I-90 from four to six lanes, stabilizes rock slopes, builds bridges, adds truck-climbing lanes, straightens curves and connects wildlife habitats.