After a spooky weekend of Halloween fun, travelers may spot more orange cones than pumpkins this week, through Nov. 7.

Lane and ramp closures on I-5, SR 516 and local roads in Burien, Des Moines, SeaTac and Kent will continue through the morning of Friday, Nov. 7, while crews pave and stripe the roadway.

This work is part of the SR 509 Completion Project.

I-5 lane closure information 

Thursday, Nov. 6 through the morning of Friday, Nov. 7:

  • 9 p.m. to 4 a.m. – Up to two lanes of northbound I-5 will close overnight between South 272nd Street (Exit 147) and SR 516 (Exit 149).

I-5 ramp closure information 

Monday, Nov. 3 through the morning of Friday, Nov. 7:

  • 9:30 p.m. to 3:30 a.m. – The northbound I-5 exit to 24th Avenue South will close nightly. A signed detour will be in place.

Wednesday, Nov. 5 through the morning of Thursday, Nov. 6:

  • 9:30 p.m. to 3:30 a.m. – The northbound I-5 exit to SR 516 will close overnight. A signed detour will be in place.

SR 509 ramp closure information 

Monday, Nov. 3 through the morning of Tuesday, Nov. 4:

  • 10:30 p.m. to 4 a.m. – The 24th Avenue South on-ramp to southbound SR 509 will close overnight. A signed detour will be in place.

Wednesday, Nov. 5 through the morning of Friday, Nov. 7:

  • 10:30 p.m. to 4 a.m. – The 24th Avenue South on-ramp to southbound SR 509 will close nightly. A signed detour will be in place.

SR 516 lane closure information 

Wednesday, Nov. 5 through the morning of Thursday, Nov. 6:

  • 8 p.m. to 5 a.m. – One lane in each direction of SR 516 will close overnight between Military Road South and SR 99.

Local road closure information 

Wednesday, Nov. 5 through the morning of Friday, Nov. 7:

9 p.m. to 4 a.m. – Des Moines Memorial Drive South will close nightly between Des Moines Memorial Drive and 11th Avenue South. A signed detour will be in place.

SR 509 Completion Project information

The SR 509 Completion Project builds 3 miles of new tolled highway between I-5 and South 188th Street near the south end of Seattle-Tacoma International Airport. The new highway will be completed in stages. The portion between I-5 and 24th Avenue South opened on June 28 and a new tunnel under I-5 at the SR 516 interchange opened on July 16. The final stage builds the remaining 2 miles of the expressway between 24th Avenue South and South 188th Street. The entire project is planned for completion by 2029.

Puget Sound Gateway Program overview

The SR 509 Completion Project is part of WSDOT’s Puget Sound Gateway Program, which also includes the SR 167 Completion Project in Pierce County. Together, the two completion projects finish critical missing links in Washington’s highway and freight network.