Hyak to Keechelus Dam Project - Construction begins

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    The Washington State Department of Transportation began construction on the I-90 Snoqualmie Pass East project (I-90 Project) in August 2009. This project will build five miles of wider, safer and more reliable highway for east-west travelers.

    WSDOT and contractor crews are using a technique called shoring which is the process of bracing the walls of a trench to prevent collapse.

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