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What's the approach?
Following an in-depth review, several improvements along the corridor were selected based on a performance scoring system, project readiness, and available funding.
Which intersections?
The first in a suite of improvements for the SR 305 corridor is a roundabout at Johnson Road. This project led by the City of Poulsbo will begin fall 2020. The roundabout at this intersection will be complete by late 2021.
Beginning summer 2021, WSDOT will build several improvements for the corridor on Bainbridge Island. This will include modern roundabouts at the intersections of:
Improvements are also planned at Agatewood Road Northeast:
A right in/right out intersection limits access to right turns off SR 305 and right turns onto SR 305.
These improvements are scheduled to be complete by fall 2021.
Other priorities for construction include a roundabout at Suquamish Way or Northeast Totten Road.
Funding will need to be determined for the following identified corridor improvements:
Why roundabouts?
The centerpiece of the proposed improvements include roundabouts along the corridor.
Due to a number of benefits, WSDOT currently has about 100 roundabouts on other state highways in Washington. These benefits include helping reduce the potential for crashes while keeping traffic moving. There are several reasons why roundabouts help reduce the likelihood and severity of collisions:
Why not widen SR 305?
The proposed improvements represent an incremental approach to improve mobility. This approach maximizes the capacity of current infrastructure.
What about the Agate Pass Bridge?
A WSDOT study estimated a new 3-lane bridge could cost upwards of $122 million. While funding has not been identified, WSDOT will continue efforts to preserve this span through annual bridge cleaning and inspection.
The End Result
Working with community partners, WSDOT is continuing the process to produce the final suite of improvements for the corridor.
Background
The process initially began with an effort by the West Sound Alliance, which produced a report on Strategic Corridor Investments. Following the report, the Washington State Legislature funded the SR 305/ Winslow Ferry to Hostmark St. – Safety Improvements project. The 2015 Connecting Washington transportation package included $36.8 million for investments in the corridor. Kitsap Transit working with community partners followed with a study that has established a vision and goals for this corridor.
Preliminary design - winter 2019
Construction - (Johnson Road roundabout) fall 2020
Project completion - 2023
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Doug Adamson
WSDOT Media Relations
360-357-2716
Lone Moody
WSDOT Port Orchard Project Engineer
253-538-3360