WSDOT announced nightly closures on I-405 and SR 527 starting Monday, July 27, through Friday, July 31.
The I-405 southbound closure affects mileposts 18.11 to 16.45 nightly from 11 p.m. to 4 a.m. SR 527's center lane will close nightly from 9 p.m. Monday to 12 a.m. Thursday on the stretch from 214th Street Southeast to I-405. A separate I-405 closure from milepost 9 to 6.5 will run nightly from 9:30 p.m. to 5 a.m.
Other changes include a SR 203 paving project running nightly from 7 p.m. to 6 a.m. through July 31, and a temporary US 395 closure due to a collision near Blue Creek Road on July 28 from 6:10 a.m. to 1:30 p.m.