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Project Title & Location
US 12/SR 124 to McNary Pool – Add Lanes –
Tri-Cities (Phase 2) MP 295.3 to MP 298.9
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Project Description
This project is the second phase of five phases that will reconstruct US 12 as a four lane divided highway from SR 124 to the Walla Walla River, and plan for the future four-laning from the Wallula Junction to Walla Walla.
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Contractor/Consultant
Project not yet advertised or awarded
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Recent Progress
The design phase is in progress. The regional Real Estate Services office is in the process of acquiring access rights and properties. 25 of a total of 62 parcels have been acquired. The region is evaluating several interchange concepts for a future US 12/ SR 124 Interchange. The development of an interchange footprint is timely for this project; by establishing the general location of the future interchange, we can avoid conflicts with future land development in this area. The funding ($150,000) is part of a Federal Fiscal Year 2003 Appropriation for US 12 improvements.
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Design Construction Impacts
The Project Office has finalized the right of way needs and a right of way plan revision will be needed. Right of way costs may exceed the initial estimate. Final costs will not be known until all negotiations are complete. A Project Control Form may need to be submitted.
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Environmental Impacts / Compliance
The Environmental Assessment is being updated along with a Section 106 study to evaluate areas not covered in original report. A Noise Study was completed in October 2003. Noise mitigation is not anticipated. We are consulting with the appropriate tribes and agencies, per Section 106 guidelines.
A National Pollutant Discharge Elimination System permit may be required for storm water discharge.
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Impacts to Traffic
The new lanes will be constructed parallel to and westerly of the existing alignment. We anticipate minimal impacts to the traveling public during construction
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