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9611 SE 36th Street
Mercer Island, WA 98040
Phone: 206.275.7600
Fax: 206.276.7663
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I-90 Bike Trail Railing Replacement (Complete)

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I-90 Bike Trail
In late May, 2016, contractor crews working for the Washington State Department of Transportation and Sound Transit replaced the existing floating bridge railing separating the Interstate 90 Trail from Lake Washington.  The City of Mercer Island was not involved with this project except for assistance with access.
 
This work was part of the final stage of the I-90 Two-Way Transit and HOV Operations project, which added new HOV lanes and direct access ramps in both directions of I-90 between Seattle and Bellevue while preparing the express lanes for Sound Transit's East Link light rail extension.
 
Crews narrowed the trail to create a work zone approximately 100-feet-long and 5-feet-wide. During work hours (typically Mon-Thurs, 6:30a-4:00p) flaggers moved cyclists and pedestrians through the work zone; cyclists may be asked to slow down or possibly dismount and walk their bicycles. Delays for cyclists, if any, were minimal.
 
Trail users can also expect to see an ATV with a trailer on the trail as crews move railings and other materials between the construction staging area in Seattle and the work zone.  During non-work hours, crews will concentrate materials and equipment to minimize obstructions for riders as much as possible.
 
Contractor crews expect the project to last 12 to 16 weeks. Work will begin on the east side of the floating bridge (at Mercer Island) and move west towards Seattle. Due to the interlocking nature of the railing sections, they must be installed sequentially from east to west.
 
Later in the project, contractor crews installed a new bike-pedestrian railing on top of the existing concrete barrier between the I-90 Trail and the vehicle lanes. 
 
 
For more information
Email Annie Johnson, WSDOT Communications
(206) 716-1165

 

 

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