I-90 - Snoqualmie Pass East - Stampede Pass to Cabin Creek Interchange (Phase 4) - Project map

Map - I-90 - Phase 3 and 4

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 habitat.