February 2010
- Based on further review of the SR 9/S Lake Stevens Rd intersection and feedback we’ve received from the community, we will continue to allow left turns from northbound SR 9 to South Lake Stevens Rd and from South Lake Stevens Rd to northbound SR 9. We will continue to monitor the intersection and will make changes in the future if necessary.
- WSDOT is providing funding to improve SR 9 as part of Snohomish County's 20th Street SE Corridor Improvement Project.
- Learn more about projects and construction in Snohomish County - sign up for our e-mail updates.
Snohomish County Public Works will reduce congestion and improve travel time in the Lake Stevens area with a project to improve the 20th Street SE corridor. As part of the project, WSDOT is providing funding to improve safety and reduce congestion on State Route 9 between South Lake Stevens Road and 20th Street SE.
Crews will add one lane in each direction and add turn lanes at two intersections. They will also improve lighting along the corridor, upgrade the traffic signal at one intersection, and replace a bridge to accommodate the wider roadway.
Why is WSDOT
providing funding to improve this section of SR 9?
SR 9 is the only north-south alternative to I-5 through Snohomish County. There are many busy intersections along this road that cause congestion when left- and right-turning drivers stop the flow of traffic on SR 9. Cars waiting to turn left or right also increase the risk of rear-end collisions, making this an increasingly dangerous streatch of road.
Snohomish County Public Works will:
- Widen SR 9 from South Lake Stevens Road to 20th Street from two lanes to four.
- Install a raised traffic islands on the east side of the intersection
- Widen and extend the left turn lanes at the intersection of northbound and southbound SR 9 and 20th Street.
- Add right-turn lanes in both directions on SR 9 at 20th Street.
- Improve lighting on SR 9 from Lake Stevens Road to 20th Street, and a new traffic signal on SR 9 at 20th Street.
- Replace the bridge south of the SR 9 and 20th St. SE intersection to accommodate the additional lanes.
- Install drainage ditches and a stormwater treatment pond beneath the bridge to collect and treat stormwater runoff from the roadway before it enters Centennial Creek.
The End Result
Crews will widen SR 9 and provide right-turning vehicles with their own lane at 20th Street SE and left-turning vehicles with a double left-turn lane between S Lake Stevens Road and 20th Street SE. In addition, they will replace the current bridge over Centennial Creek with a new, wider bridge to accommodate the wider roadway.
Project Benefits
- Safety: New turn lanes and upgraded lighting will reduce the risk of collisions.
- Reduced congestion: Adding an additional lane in each direction will double the capacity of the road.
- Environment: Crews will improve the drainage system and install energy efficient lighting as a part of the improvements.
What is the project timeline?
July 2008 - Construction begins
Summer 2011 - Construction complete
Financial Information
2005 Gas Tax (Partnership Funding) - $14.5 million
Total Funding Available from All Sources - $14.5 million
How can I get more information?
Contact:
Snohomish County Public Works Tina Hokanson
Phone: 425.388.3789
E-mail: Tina.Hokanson@snoco.org
WSDOT Communications Meghan Soptich Pembroke
Phone: 206-440-4704
E-mail: pembrom@wsdot.wa.gov
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