Construction alert: Lynnwood Link Extension

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Construction alert

Correction: Nightly Closure of Collector-Distributor Lane on I-5 NB

Correction: This work has been adjusted. See original alert

As early as Monday, November 7, Sound Transit’s contractor will work on bridge operations near the SR-104 and I-5 interchange in Mountlake Terrace. This work will require the nightly closure of the collector-distributor lane adjacent to I-5 NB, requiring the closure of the ramps to I-5 NB. SR-104 will remain open. The contractor has obtained a Temporary Noise Variance to complete the work. Detours will be provided (see map).


Nightly bridge completion activities at I-5 and SR-104 interchange, resulting in nightly closure of the C/D lane.


Monday, Nov. 7 – Thursday, Nov. 17, 10 p.m. - 7 a.m., excluding weekends


C/D lane adjacent to I-5 and SR-104 interchange in Mountlake Terrace


  • There will be posted signs for the detours (see map).
  • Plan ahead, leave early and allow extra time to reach your destination.
  • Please be prepared for delays while this work takes place.
Construction impacts map for Nightly Closure of Collector-Distributor Lane on I-5 NB, Lynnwood Link Extension

Closure of C/D lane and I-5 on ramps, and detours

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