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King County Department of Transportation Changes Course and Halts Rumble Strips

After a months-long process of hard work and perseverance by Islanders committed to safer roads, the King County Department of Transportation took an important step to address safety concerns by announcing a halt to a plan to install more rumble strips on Vashon.

"We want to thank the County for their responsiveness to residents who communicated the very real threats to safety and mobility due to the installation of rumble strips on Vashon," said Steve Abel. "Dow Constantine’s leadership and willingness to listen shows how government can work for residents across King County."

"I am pleased that the County was receptive to such a compelling case for safety made by the Vashon-Maury community members," commented State Senator Sharon Nelson. "I have heard from many constituents expressing their concerns as car drivers and bike riders, alike. It’s clear there is a better way forward and I thank the County Executive and staff for their willingness to look beyond rumble strips for roadway safety."

The installed rumble strips on Vashon have created hazardous conditions for many users of the road, like moms with bike trailers who lacked the room to maneuver between rumble strips and ditches. The lack of rumble strip gaps at driveways and in critical locations have created obstacles for residents, such as the disabled crossing the road with canes or walkers. Additionally the County’s installation of rumble strips by the main campus of the Vashon School District negatively impacted efforts made through a $260,000 state grant to make it easier for kids to walk and bike to school.

Already, at least two bicycle crashes this summer can be attributed to the rumble strips.

Vashon’s concerns over rumble strips are not new or unique. Nationally, rumble strips are a cheap and easy method to address some safety concerns, while often making roads more dangerous for non-motorized users. Unfortunately - like in the case of Vashon - rumble strips are often installed improperly. Like Vashon as well, local governments across the U.S. are prone to ignoring state and federal advisories, requirements and guidance on where they should be used.

Because of concerns about their overuse across Washington state and the potential for more rumble strips across King County, the Bicycle Alliance of Washington and Cascade Bicycle Club have worked with community members and Bike Vashon to address this issue.

"This work to find a solution that makes our roads safer for all has also been about people standing up and working together to create a better future for Vashon’s kids, economy, and community." noted Tim Baer. "Yesterday’s announcement signals a new willingness and opportunity for the County and island community to partner together on growing bicycling and walking, while improving safety for everyone."

"Now is the time to work together with our friends at King County to develop a plan for safety and mobility on Vashon that works whether you walk, bike, drive, or take transit," said Charlie Backus. "Our goal is to create a bicycle-friendly island, improving the safety for all, while giving residents the freedom to get around easily."

Next steps include mitigation for the existing rumble strips that were improperly installed. Bike Vashon sees this new approach by King County Department of Transportation as an important move forward to developing an approach to safety on island roads that includes the needs of those on foot, in a wheelchair, on a bike, or in a car.

About Bike Vashon:
Bike Vashon was created around the need to stop the unexpected creation of rumble strips in Spring 2012 on one of Vashon’s best roadways for riding - due to a wide shoulder that had allowed riding with bicycle trailers and adult tricycles. Read more about our ongoing concerns about rumble strips on our rumble strip page, or the ever-evolving story on our Facebook page. More information is available at: or by calling Steve Abel at (206) 463-2877.