Several major highway constructions will overlap this weekend, including a full closure of I-405.
The Washington State Department of Transportation (WSDOT) said travelers should expect closures and delays on several key routes from Friday, Aug. 7 through Monday, Aug. 10 on I-405, SR-520, I-5 and SR-202.
Northbound I-405 will fully close from North Southport Drive/Northeast Sunset Boulevard to Coal Creek Parkway Southeast from 11:30 p.m. Friday, Aug. 7 to 4 a.m. Monday, Aug. 10. Travelers can expect heavy congestion on the interstate approaching Renton. A signed detour will be in place…