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Contractor crews will improve the mobility along a 2.51-mile stretch of northbound Interstate 5 from Yesler Way to Lakeview Boulevard through Seattle. Crews will:
This section of northbound I-5 carries approximately 100,000 vehicles a day and includes a two-lane section that creates one of the worst traffic bottlenecks in the state. Traffic often backs up to Boeing Field and there are many congestion-related collisions throughout the day.
Crews will rebuild the existing Seneca Street exit-only lane to add a third lane through the current two-lane bottleneck after the Seneca Street off-ramp. This third lane will be open to all vehicles and for those exiting at Seneca Street.
To create a seamless transition to the existing four lanes of traffic after the Cherry Street on-ramp, crews will add an auxiliary lane from the Cherry Street on-ramp, which will end as an exit only lane at Olive Way.
To avoid disruption of the high daytime traffic volume on I-5, there will be mainly nighttime lane closures and flagging in the work zone.
This mobility improvement work is projected to improve traffic flow and reduce congestion delays. High-occupancy vehicles will benefit with an additional bypass lane on the mainline and collector-distributor on-ramp. The extended ATDM system is expected to reduce collisions by providing drivers with information about what to expect as far as congestion and/or incidents ahead.
Financial Data for PIN 100521W, 100521X | ||||||||||||
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This project received construction funding in the 2017-2019 transportation budget.
Tom Pearce
Communications
206-440-4696
pearcet@wsdot.wa.gov