Lane and ramp closures on I-5, SR 516 and SR 509 in south King County continue this week
Lane and ramp closures on I-5, SR 516, and SR 509 will affect travel in south King County through July 3, 2025. Crews will perform paving and drainage work as part of the SR 509 Completion Project, which aims to enhance the highway network in the region. Travelers should expect rolling slowdowns and detours during the overnight closures.