Two lanes of northbound I-405 between mileposts 17.45 and 18.12 will close nightly from 8:30 p.m. to 5 a.m. through Friday, Aug. 14. The I-5 northbound left lane will close daily from 6 a.m. to 10 a.m. starting Aug. 15, with the Iowa Street on-ramp to northbound I-5 closing until 1 p.m. on Saturday, Aug. 15.
The I-5 northbound off-ramp to Southcenter Parkway (milepost 154) will close nightly from 9 p.m. to 5 a.m. through Aug. 14. Additional closures on I-5 near Grand Mound will occur overnight through Aug. 29, with double lane closures and rest area closures from 8 p.m. to 6 a.m. on certain days.
WSDOT states the closures are for maintenance and paving projects, with the goal of improving road conditions. Travelers should expect delays and plan accordingly during the specified times.