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Feasibility Study

    Budget Information

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    SR 3 - SR 304 Interchange Improvements Project - Bremerton


    November 2015

    • After in-depth analysis and discussion, stakeholders have recommended a short-term and long-term solution.
    • The SR 3 Restriping improvement project was funded under the 2015 Legislative "Connecting Washington" Transportation Revenue Package. Funding for this project was allocated over the following two biennium’s 2015-2017 and 2017-2019. A feasibility study for the project is complete. This project is currently assigned to a WSDOT’s Project Engineer’s Office for the completion of the National Environmental Policy Act (NEPA) and State Environmental Policy Act (SEPA) documentation. After the environmental documentation is complete, the project will move on to the Interchange Justification Report and then into Design. The Construction phase is anticipated to begin in 2017


    Why is WSDOT studying this interchange?
    WSDOT was directed by the Legislature to conduct a feasibility study for interchange improvements to the SR 3 - SR 304 Interchange in Bremerton.

    The purpose of this study is to improve mobility during the PM peak commute periods along southbound SR 3 under the SR 304 westbound ramp where the travel lanes narrow down from two to one lane. The resulting congestion increases delay and travel time affecting safety and imposing inconvenience for the traveling public.

    This project will advance development of the interchange improvements by beginning the initial environmental documentation, preliminary engineering and design to expedite project delivery.

    Study Alternatives:
    WSDOT, city, county, U.S. Navy and transit officials have been working collaboratively to identify two solutions that will reduce traffic congestion and improve existing highway operations where State Route 3 and State Route 304 meet in Bremerton. The following long and short-term solutions were selected. 

    Short-term Solution   Alternative 2
    Restripe to 2 Lanes – Restripe to create two lanes on southbound SR 3 in the area between the Bremerton Wastewater Treatment Plant and the SR 3/SR 304 merge. Two lanes currently merge into one at that location. The recommendation would also change the SR 304 dedicated on-ramp to an on-ramp where vehicles merge onto mainline SR 3.

    Long-term Solution  Alternative 4
    Add a 3rd Lane from the SR 304 on-ramp to Gorst – Widen southbound SR 3 from the SR 304 on-ramp to Gorst to create three lanes. Crews would also restripe southbound SR 3 to two lanes in the area between the Bremerton Wastewater Treatment Plant and the SR 3/SR 304 merge.

    The solution will include Transportation Demand Management (TDM) options.

    The End Result
    The end result will identify a solution(s) that will reduce traffic congestion and improve existing highway operations where SR 3 and SR 304 meet in Bremerton.

    Project Benefits
    Project benefits include the advancement of the design, preliminary engineering and right of way acquisition for the preferred alternative.

    Once the alternative is implemented, benefits include improved mobility by reducing delay and providing a consistent travel time through the SR 3 - SR 304 interchange while maintaining the safe operation of both SR 3 and SR 304 in the process.

    What is the project timeline?
    Now that a solution is identified, the next step is to determine the necessary requirements to move forward into the Interchange Justification Report (IJR) process. An IJR is used to justify a new access point or access point revision on existing limited access highways in Washington State. Funding for construction has not yet been identified.

    Financial Information

    Project signage will reflect the cost of construction engineering, project bid award and sales tax.

    Funding Source Amount ($ in thousands)
       State Funds $500
    Total $500

    How can I get more information?

    Debbie Clemen
    WSDOT, Olympic Region Transportation Planning Office
    P. O. Box 47440
    Olympia, WA 98504-7440
    Phone: (360) 704-3204

    Claudia Bingham Baker
    Communications Manager

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