The Brief
- Major construction closures and lane reductions will affect I-5, I-405 and SR 520 across the Puget Sound region this weekend.
- Closures begin Thursday and continue through Monday, with drivers warned to expect severe congestion and unpredictable travel times.
- WSDOT recommends using public transit or adjusting travel times; some construction could be rescheduled if heavy rain develops.
SEATTLE – Drivers across the Puget Sound region are being warned about major highway closures expected to cause severe traffic congestion this weekend.
Major highway closures in western WA
What we know:
Crews with the Washington State Department of Transportation (WSDOT) have scheduled overlapping construction closures and lane reductions across I-5, I-405, SR 520 and SR 99 starting Thursday, Oct. 1 through Monday, Oct. 5.
Transportation officials say the roadwork will cause longer and less predictable travel times and traffic congestion, specifically for drivers traveling to Seattle-Tacoma International Airport.
Here are the highway closures to look out for in western Washington this weekend, Oct. 1–5:
I-5 construction
I-5 express lanes will be fully closed in both directions from 11 p.m. Friday to 5 a.m. Monday. Crews will work on drainage improvements underneath the Ship Canal Bridge.…