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Project Title & Location
US 12 – Phase 4, Walla Walla to Wallula Planning Study, Walla Walla County
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Project Description
This planning study will prepare initial environmental documentation to determine the preferred corridor alignment for US 12 from the Wallula junction to Walla Walla, addressing congestion and safety needs for the highway.
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Recent Progress
WSDOT conducted a Level 1 analysis of all of the preliminary environmental and engineering data for the south, middle, and north corridor alternatives. With Federal Highways Administration (FHWA) concurrence, WSDOT has eliminated the middle and south (existing) corridors from further consideration.
To conclude the study, WSDOT will now complete the environmental documentation to better define the northern corridor alternative and identify any environmental impacts that need to be mitigated. This level of analysis will likely require an Environmental Assessment.
Funding to complete the environmental documentation and early design work on this project was included in the 2007-2009 Governor's Transportation Budget.
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