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Project Title & Location
Attalia Vicinity – Add Lanes – Tri-Cities
(Phase 3)
MP 302.14 to MP 305.49
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Project Description
Attalia Vicinity is the third phase of five phases that will reconstruct US 12 as a four lane divided highway from SR 124 to the Walla Walla River, and develop a plan for future four-laning from Wallula to Walla Walla.
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Environmental Impacts / Compliance
There are no environmental impacts anticipated that would affect the delivery date. The Environmental Assessment is being updated to evaluate project specific areas not covered in the original report. We are awaiting a ruling from the US Army Corps of Engineers on impacts of the "Talent Ruling." This ruling could potentially change the jurisdiction of certain ditches or canals that form a connection between a navigable water of the US and another waterbody. Additional permitting may be required.
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Impacts to Traffic
We anticipate limited one-lane closures and brief delays to allow for the contractors' truck operations during the construction phase.
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