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Article: Reconstructing Snoqualmie Pass: WSDOT takes on current challenges and anticipates new ones in a project to improve the I-90 corridor over the Cascades.
- Article from:
- Public Roads
- Article date:
- July 1, 2009
- Author:
CopyrightCOPYRIGHT 2009 Superintendent of Documents. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Interstate 90 (I-90), which traverses the northern United States from Seattle, WA, to Boston, MA, is the main east-west transportation corridor across Washington State. The highway connects Puget Sound's deep-water ports, large population centers, and retail and service businesses with agricultural and recreational areas in eastern Washington. The highway facilitates uninterrupted movement of people and freight, which is essential to the State's economic vitality, over the Cascade Mountains via Snoqualmie Pass.
Before 1930, Snoqualmie Pass would close for approximately 6 months out of the year due to severe weather and unsafe driving conditions. Since the 1930s, ...