The City of Seattle is moving closer to improving the South Spokane Street Viaduct. The project, which will cost an estimated $128 million, could conceivably begin construction at the end of this year, but at this time lacks the funding needed. The Seattle Department of Transportation (SDOT) is working on securing the funding and is taking the preliminary steps to move the project forward when the money is available.

The project will improve the existing S Spokane St viaduct and ground level roadway between 6th Ave S and East Marginal Way including widening of the viaduct, the addition of new on- and off-ramps at 1st Ave S, and a new westbound loop ramp to 4th Ave S. The roadway would be repaved and a paved center median would be added to some areas under the viaduct.

SDOT has determined that the project will not have a probable significant adverse impact on the environment and therefore an environmental impact statement is not required under the law. SDOT issued a Determination of Nonsignificance (DNS) on February 15, 2006.
Comments are due by February 28, 2006.

Written comments must be submitted to:
Stuart Goldsmith, Project Manager
Seattle Department of Transportation
700 5th Avenue, Suite 3900
P.O. Box 34996
Seattle, WA 98124-4996

SEPA DNS-related documents and project details are available at:

If you have any questions or comments about this project, contact Peg Nielsen at This email address is being protected from spambots. You need JavaScript enabled to view it. or call 206-684-8114.


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