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Moving Washington Forward.

by Angus Brackett

I-90 is currently the most important east west freight artery in the state of Washington. Freight movement to and from the west side is constantly increasing, supplying the busy ports and other companies in the Puget Sound region. Washington State has a geographical advantage for trade expansion with eastern Asia.

Taking advantage of our proximity are dozens of shipping companies that have enabled the Port of Seattle to become the eighth largest in the United States (Port of Seattle). Today, roughly 7% of all this ports volumes are origin/destination from Eastern Washington via I-90. That equals 233 trucks per day, or 85,227 truck trips annually. These trucks are only a small percentage of commercial traffic over the pass, and do not include the commercial traffic to the Port of Tacoma (Brown).

An additional 5,700 trucks per day go over Snoqualmie Pass carrying various commodities, 28% of which are agricultural products (SFTA, 70). Joining these trucks in the daily flow are over 19,000 additional vehicles either commuting or traveling. This already busy I-90 will be expected to have its flow increase 3.5% a year with an estimated 20,000 vehicle/day increase during the next 20 years (ASDR, 3).

During the last 20 years I-90 has been a vital highway to our states economy. Due to the its relative location to the urban areas of Seattle and Tacoma, I-90 will be even more important to our regional economy in the future by enabling freight to be efficiently shipped through our state.

Currently, this interstate faces a variety of problems that are recognized by the Washington Department of Transportation (WSDOT). Substandard curves, avalanche closures, animal-vehicle collisions, and traffic congestion are some of the issues facing freight companies moving along I-90. WSDOT is proposing to help solve this problem by mitigating avalanche dangers, adding lanes to increase capacity, replace pavement, improve sight distance, and construct wildlife crossings to deter animals from the roadway. With this new transportation project, we have a chance to improve the long-term viability of a major statewide corridor while we increase the safety for the drivers and wildlife.

Works Cited:

Brown, LaTonja. Port of Seattle e-mail contact 11/24/04

Peterson, Steven K., Jessup, Eric L., Casavant, Kenneth L Washington State University. Strategic Freight Transportation Analysis, 2004

http://www.portseattle.org/downloads/seaport/port_glance_eng.pdf 11/24/04

Washington State Department of Transportation. Intestate 90-Snoqualmie Pass East, Aquatic Species Discipline Perort, 2002

 

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Safeway truck driving over Gold Creek.

View of truck from Hyak Creek.