I-405 southbound will close up to two lanes nightly from July 27 to July 31 between mileposts 18.11 and 16.45, from 11 p.m. to 4 a.m. SR 203 will have one lane closed nightly from July 27 to July 31 between mileposts 12.53 and 23.20, from 7 p.m. to 6 a.m., with flaggers directing alternating traffic.
WSDOT reports SR 96 will alternate traffic daily from 7 a.m. to 2 p.m. through July 31 between mileposts 4 and 6, and SR 20 will alternate traffic from 9 a.m. to 2:30 p.m. on July 28-30 between mileposts 79 and 82. SR 522 eastbound has a right lane closed, and I-5 southbound has a right lane closed near Newaukum River through July 30.