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Project Title & Location
SR 520 Bridge Replacement and HOV Project
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Project Description
The overall program will replace the SR 520 corridor from I-5 to I-405 and reconfigure the existing HOV lanes east of I-405. This program is currently funded to complete environmental documentation and replace the Evergreen Point Bridge from Foster Island to Medina.
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Contractor/Consultant
Parametrix of Sumner, Washington is the prime consultant design engineer.
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Recent Progress
Nickel funding began July 1, 2003. Recent project milestones accomplished include: 1.) moved into co-location office with prime consultants; 2.) completed Traffic Study including intersection analysis; 3.)defined tolling parameters for EIS (all current options assume electronic tolling); 4.) held Accelerated Construction Technology Transfer workshop; 5.) pursuing early Right of Way acquisition; 6.) completed geodetic framework survey. To get cost and descriptions of project options see the project web page.
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Design Construction Impacts
A Draft Environmental Impact Statement will be issued in Summer 2005. A preferred alternative should be identified by Winter 2005. Funding for further stages of this project depends upon additional funding from the Regional Transportation Investment District (RTID) and tolling. For estimated project construction costs for the project options under consideration visit the project web page.
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Environmental Impacts / Compliance
Environmental assessment and documentation is underway and on schedule. Work remains within scope and budget.
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Impacts to Traffic
Not yet fully determined.
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