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City of Bellevue, WA Transportation
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Interstate 405 at I-90 interchange

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  6. State Highway Projects in Bellevue
  7. I-405 - Renton to Bellevue

    State Highway Projects in Bellevue

    • I-405 -Renton to Bellevue
    • I-90 - Sunset Creek - Fish Passage
    • I-90 Eastgate to SR 900
    • South Downtown I-405 Access Study

    I-405 - Renton to Bellevue

    Header Image
    Interstate 405 at I-90 interchange

    The state Department of Transportation's I-405 Renton to Bellevue Widening and Express Toll Lanes project will add new capacity to one of the state's most congested sections of highway. In general, it will add one new lane in each direction. City Transportation Department staff coordinate with WSDOT to address construction impacts on Bellevue streets and other issues.

    Main Street bridge

    The Main Street bridge is partially open to one lane of vehicular traffic in each direction. Pedestrians and cyclists will not have access to the partially reopened bridge as crews construct a 12-and-a-half-foot-wide multi-use path, 8-foot-wide sidewalk, bike lane, landscaped barrier and railings. The new and improved overpass is scheduled to fully reopen to all modes of travel in late January 2023.

    Background information

    With the existing high occupancy vehicle lanes, the I-405 Renton to Bellevue project will create a dual express toll lane system between SR 167 in Renton and Northeast 6th Street in Bellevue. Combined with the existing express toll lanes between Bellevue and Lynnwood, and with the SR 167 HOT lanes, the end result will be a 40-mile system of express toll lanes.

    In Bellevue, WSDOT will build a new southbound auxiliary lane in the I-90 to 112th Avenue Southeast vicinity, improve the Coal Creek Parkway interchange and reconstruct the bridges at Main Street and at 112th Avenue Southeast. Also, WSDOT will build parts of the Eastrail regional pedestrian and bicycle trail, including a new crossing over I-405 at the site of the former Wilburton rail bridge, in partnership with King County.  

    • WSDOT project webpage
    • Project map

    Timeline

    • 2024: Open to traffic
    • 2019: Start of construction
    • 2015-2019: Preliminary engineering

    WSDOT contact

    I-405/SR 167 Corridor Communications
    425-456-8624 or I405SR167Program@wsdot.wa.gov
     

    Contact

    Steve Costa (City of Bellevue)
    Telephone
    425-452-2845
    Email
    scosta@bellevuewa.gov
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