The Washington State Department of Transportation (WSDOT) announces ongoing overnight lane and ramp closures along I-5 in the SeaTac, Des Moines, and Kent areas from Monday, November 4 to Friday, November 8. These closures are part of essential infrastructure improvements under the State Route 509 Completion Project.
Work crews will place concrete barriers and install guardrails on I-5 during these hours. Additionally, local road lanes in SeaTac will be intermittently closed to facilitate necessary enhancements from Monday through Friday of the same week.
I-5 Lane Closure Details
Monday, November 4 through Tuesday, November 5
9:00 p.m. to 4:00 a.m.
Up to two lanes of northbound I-5 will close overnight between SR 516 (Exit 149) and South 200th Street/Military Road South (Exit 151).
Tuesday, November 5 through Wednesday, November 6
9:00 p.m. to 4:00 a.m.
Up to three lanes of northbound I-5 will close overnight between SR 516 (Exit 149) and South 200th Street/Military Road South (Exit 151).
11:30 p.m. to 6:00 a.m.
Up to three lanes of southbound I-5 will close overnight between South 200th Street/Military Road South (Exit 151) and SR 516 (Exit 149).
Wednesday, November 6 through Friday, November 8
9:00 p.m. to 4:00 a.m.
Up to two lanes of northbound I-5 will close nightly between SR 516 (Exit 149) and South 200th Street/Military Road South (Exit 151).
11:30 p.m. to 6:00 a.m.
Up to two lanes of southbound I-5 will close nightly between South 200th Street/Military Road South (Exit 151) and SR 516 (Exit 149).
I-5 Ramp Closure Details
Wednesday, November 6 through Friday, November 8
11:30 p.m. to 6:00 a.m.
The northbound I-5 on-ramp from SR 516 will be closed nightly. A signed detour will be in place.
What’s happening on Interstate 5 RIGHT NOW! I-5 Real-time traffic information for selected cities along I-5. Maps show updates on road construction, traffic accidents, travel delays and the latest traffic speeds. Traffic cameras show congestion at a glance. Visit I-5 Traffic.
The I-5 Exit Guide is the Internet’s largest and most complete website dedicated to Interstate 5 travelers. Find detailed exit service listings… lodging, camping, food, gas and more for every exit from Washington to California!
On the road? Why not take us with you. The I-5 Exit Guide is mobile-friendly and totally FREE. No App Required.
Traveling another route? Visit our growing family of exit guides: I-4 Exit Guide, I-5 Exit Guide, I-10 Exit Guide, I-75 Exit Guide, I-80 Exit Guide and I-95 Exit Guide. Detailed exit service listings… discount lodging, camping, food, gas and more for every exit along the way!
