Snoqualmie Pass

Snoqualmie Pass I-90 WA State info


Why does Snoqualmie Pass close?
I-90 Snoqualmie Pass snow  snoqualmie pass closed january 2020

In the summer, Snoqualmie Pass experiences closures and delays from construction, rock blasting, maintenance activities and to clear accidents.

In the winter, Snoqualmie Pass experiences closures and delays from the weather, avalanches, avalanche control work, to clear accidents and to remove snow and ice.


I-90 "over Snoqualmie Pass" road construction plans:

Currently planned to end at Lake Easton in 2029: I-90 Snoqualmie Pass construction projects for next several years.

In other words: several more years of construction on I-90 near Snoqualmie Pass has been currently planned.

I-90 Snoqualmie Pass construction plans


Phase 3 Construction - I-90 Snoqualmie Pass Eastbound at Cabin Creek Interchange to West Easton Interchange

Phase 3 is 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. I-90 - Snoqualmie Pass East - Cabin Creek Interchange to West Easton Interchange (Phase 3) | WSDOT (wa.gov)

Projected Timeline for this phase of the I-90 construction: Summer of 2022 into the Fall of 2028

During construction in 2022, eastbound traffic be diverted along the detour route. Minor delays are expected.


Phase 4 Construction - I-90 Snoqualmie Pass Eastbound - Stampede Pass Interchange to Cabin Creek Interchange

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.

Projected Timeline for this phase of the I-90 construction: Summer of 2026 into the Fall of 2029

I-90 - Snoqualmie Pass East - Stampede Pass Interchange to Cabin Creek Interchange (Phase 4) | WSDOT (wa.gov)

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