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Project Title & Location
SR 9 – SR 522 to 212th St. SE; Widening (Stages 1b & 2), North Woodinville
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Project Description
This project adds lanes and enhances safety on 1.8 miles of congested state highway.
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Recent Progress
WSDOT continues to apply for various environmental permits. WSDOT is making some minor modifications to the design and the right of way need in order to comply with new environmental regulations. Continuing right of way purchase. Recent vehicle counts show average daily traffic = 21,000 - 25,000.
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Environmental Impacts / Compliance
No significant impacts. Mitigation efforts include avoidance measures (shifting the new highway to avoid/reduce wetland and stream impacts) and adherence to state and federal permit requirements, including the Endangered Species Act. · This project will construct storm water treatment facilities for both water quality and quantity. Use of temporary erosion control measures during construction will minimize impacts.
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Impacts to Traffic
Construction will start in summer 2005, traffic will experience narrower lanes & shoulders, slower speeds, and occasional flagger stopped traffic during the daytime, as well as some advanced publicized nighttime and weekend closures (single lane or entire roadway) may occur. All 4 lanes should be open to traffic in summer 2007.
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