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SR 3 - SR 304 Interchange Improvements Project - Bremerton


July 2014

WSDOT is exploring five preliminary alternatives:

  • Widen and/or restripe southbound State Route 3 under the State Route 304 on-ramp to create two lanes.
  • Create an auxiliary lane from the SR 304 on-ramp to Gorst.
  • Create a modified auxiliary lane: In addition to a new auxiliary lane, southbound SR 3 and the SR 304 on-ramp would also be restriped to accommodate two lanes each.
  • Create a hard shoulder under the SR 304 on-ramp along southbound SR 3 to create an additional travel lane during peak hours.
  • Transportation Demand Management (TDM)

The work has included a consultant using traffic modeling to gauge the effectiveness of the preliminary improvements. The consultant has completed traffic modeling for the existing roadway configurations and how traffic would flow if no improvements were made. The consultant is currently investigating traffic modeling for the preliminary alternatives.

After the traffic modeling is complete, a workshop is planned this summer to select the preferred alternative. 

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.

The End Result
The end result will identify a preferred alternative to advance into the preliminary engineering and design phase of the process.

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?
The study phase is expected to be completed by August 2014.

Financial Information

Financial Data for PIN 300302F
Funding Source Amount ($ in thousands)
2003 Gas Tax (Nickel Funding) $0
2005 Gas Tax (TPA) $0
Pre-Existing Funds (PEF) $500
Total $500

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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