Drivers prepare: Some southbound I-5 lanes reductions, ramp closures at I-405, SR 522 interchange In Seattle, southbound I-5 across the Ship Canal Bridge will be reduced to two lanes all weekend.Share this: Deadly collision closes southbound I-5 lanes near SeaTac for hoursDateMarch 15, 2026In relation toKing 5 NewsWHALES: Orcas southbound off West SeattleDateMay 18, 2026In relation toMuslim NewsFatal crash closes southbound I-5 near FerndaleDateJanuary 20, 2026In relation toKing 5 News