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South King Slowdown Calendar

#SouthKingSlowdown lane reductions will take place on southbound I-5 just past the I-405/SR 518 interchange in SeaTac for the first three weekends of work before shifting north to Tukwila for the fourth and fifth weekends. During the fifth weekend, about 18 miles south of the I-5 lane reductions, all lanes of southbound SR 167 will be closed between Algona and Pacific for the SR 167 Southbound HOT Lane Extension project.

Select weekend below to see an enlarged map of the closure and read more about special events that will also affect traffic.

July 15-18. Southbound I-5 down to two lanes in SeaTac.July 22-25, southbound I-5 down to 2 lanes in SeaTacJuly 29-Aug. 1, southbound I-5 down to 2 lanes in SeaTac
Aug. 12-15, southbound I-5 down to 2 lanes in TukwilaAugust 19-22. Southbound I-5 down to 2 lanes in Tukwila. Southbound SR 167 closed in Algona.