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I-5 - NB S 260th to Duwamish River Bridge - Concrete Pavement Rehab and ADA - Alternative routes



During weekend-long lane reductions on northbound I-5 in SeaTac and Tukwila, drivers should use alternatives like transit, carpooling or alternate routes shown above. The project requires a total of 11 weekend-long lane reductions. The northbound I-5 work will require 11 weekends of lane reductions.

All seven of the weekends for paving between SR 516 and South 170th Street are finished.

Expansion joint work requires four weekends. These are scheduled for:

  • Aug. 25-28 and Sept. 8-11: From 8 p.m. each Friday to 5 a.m. each Monday crews will replace expansion joints on northbound I-5 at Interurban Avenue.
  • Sept. 29-Oct. 2 and Oct. 13-16: From 8 p.m. each Friday to 5 a.m. each Monday crews will replace expansion joints on northbound I-5 at the Duwamish River.