WSDOT announced nightly closures on multiple highways starting Aug. 17 for construction and repairs. One lane of eastbound SR 522 will close nightly from 8 p.m. Aug. 18 to 4:30 a.m. Aug. 21. US 12 over I-5 will close nightly from 7:30 p.m. Aug. 10 to 6 a.m. Aug. 20 for bridge repairs, with a detour via I-5 and SR 508.
I-405 will see multiple closures: northbound left express toll lane closed nightly from 8:30 p.m. Aug. 17 to 5 a.m. Aug. 21, and southbound lanes closed nightly from 10:30 p.m. Aug. 17 to 5:30 a.m. Aug. 19. SR 544 will close until 1 p.m. Aug. 18 for a city project, with detours on Robinson Road and Everson Street. SR 508 will have alternating traffic with flaggers starting Aug. 18.
SR 9 will remain closed south of Mount Vernon Big Lake Road until 6 a.m. Aug. 19 for fish passage installation, with detours using SR 534, I-5, and SR 538. I-5 will have daily lane closures near Klickitat Road from 8:30 a.m. to 2:30 p.m. Aug. 18-20 for maintenance.