Skip Top Navigation

More Closures


Weekly update of construction closures in other counties.


Click here for construction info in your area Snohomish CountyKing CountyWhatcom, Island and Skagit Counties

Get Connected


  • Sign up for email updates to get the latest news on highway projects that affect you.

I-5: Federal Way to Mountlake Terrace

Last update: 11:50 a.m. Wednesday, Sept. 28

This information changes frequently. Please check back often. Travelers can also call 5-1-1 for real-time traffic and weather updates.

I-5

Express Lanes Schedule Changes

Highway: I-5    Region: Northwest    County: King    Location: Milepost(s) 165.29 - 172.43
Contact: Nicole Daniels, Communications, 206-440-4479
Description: WSDOT uses the I-5 express lanes to assist the flow of traffic during busy travel times. These lanes are scheduled to move in the direction that will relieve the most congestion from the transportation system.
Express lanes schedule
Work schedule:

  • **HIGH IMPACT** Saturday, Oct. 1 - The opening of the I-5 express lanes in the southbound direction will be delayed until 10:30 a.m.
  • **HIGH IMPACT** Sunday, Oct. 2 - The opening of the I-5 express lanes in the southbound direction will be delayed until 11 a.m.
SB S 320th St to Duwamish River Br Concrete Pavement Rehab - #8816

Highway: I-5    Region: Northwest    County: King    Location: Milepost(s) 142.76 - 156.71
Contact: Mike Askarian, Project Engineer, 206-768-5861
Description: WSDOT contractor crews are rehabilitating southbound I-5 between the Duwamish River Bridge in Tukwila and South 320th Street in Federal Way.
Project website
Work schedule:

  • Sunday, Sept. 25, to the morning of Friday, Sept. 30 - Up to four lanes of southbound I-5 from I-405 to South 320th Street will be closed nightly beginning with one lane at 8 p.m. All lanes will reopen by noon. This work is weather dependent.
  • Sunday, Sept. 25, to the morning of Friday, Sept. 30 - The southbound SR 599 left-side ramp to southbound I-5 will be closed from 9 p.m. to 5 a.m. nightly. A signed detour will be in place. This work is weather dependent.
  • **HIGH IMPACT** Sunday, Sept. 25, to the morning of Friday, Sept. 30 - The southbound I-5 ramp to northbound I-405 will be closed from 9 p.m. to 5 a.m. nightly. A signed detour will be in place. This work is weather dependent.
  • **HIGH IMPACT** Sunday, Sept. 25, to the morning of Friday, Sept. 30 - The southbound I-405 ramp to southbound I-5 will be closed from 9 p.m. to 5 a.m. nightly. A signed detour will be in place. This work is weather dependent.
  • **HIGH IMPACT** Sunday, Sept. 25, to the morning of Friday, Sept. 30 - The eastbound SR 518 ramp to southbound I-5 will be closed from 9 p.m. to 5 a.m. nightly. A signed detour will be in place. This work is weather dependent.
  • Sunday, Sept. 25, to the morning of Friday, Sept. 30 - The Klickitat Drive on-ramp to southbound I-5 will be closed from 9 p.m. to 5 a.m. nightly. A signed detour will be in place. This work is weather dependent.
  • Monday, Sept. 26, to the morning of Wednesday, Sept. 28 - The South 188th Street/Orilla Road South on-ramp to southbound I-5 will be closed from 9 p.m. to 5 a.m. nightly. A signed detour will be in place. This work is weather dependent.
  • Monday, Sept. 26, to the morning of Wednesday, Sept. 28 - The South 200th Street/Military Road South on- and off-ramps to southbound I-5 will be closed from 9 p.m. to 5 a.m. nightly. A signed detour will be in place. This work is weather dependent.
S 200th St / Military Rd Intersection Improvements - #8883

Highway: I-5    Region: Northwest    County: King    Location: Milepost(s) 151.18 - 151.50
ContactMike Askarian, Project Engineer, 206-768-5861
Description: WSDOT contractor crews are improving the intersection where the southbound I-5 off- and on-ramps meet South 200th Street and Military Road South in SeaTac.
Work schedule:

  • No lane or ramp closures are scheduled.
Seattle Guardrail Repair Work

Highway: I-5    RegionNorthwest    County: King    Location: Milepost(s) 159.75
Contact: Nicole Daniels, Communications, 206-440-4479
Description: WSDOT maintenance crews are performing guardrail repair work on southbound I-5 in Seattle.
Work Schedule:

  • Tuesday, Oct. 4, to the morning of Wednesday, Oct. 5 - The HOV lane of southbound I-5 after South Albro Place will be closed from 8 p.m. to 5 a.m.
Seattle Bridge Inspection Work

Highway: I-5    RegionNorthwest    County: King    Location: Milepost(s) 162.97
Contact: Nicole Daniels, Communications, 206-440-4479
Description: WSDOT maintenance crews are performing bridge inspection on northbound I-5 in Seattle.
Work Schedule:

  • Saturday, Oct. 1 - The right lane of the northbound I-5 ramp to West Seattle Bridge will be closed from 7 to 8 a.m.
  • Saturday, Oct. 1 - The right lane of the South Columbian Way ramp to the West Seattle Bridge will be closed from 8 to 10 a.m.
Seattle Ship Canal Bridge Cleaning Work

Highway: I-5    Region: Northwest    County: King    Location: Milepost(s) 168.34
Contact: Nicole Daniels, Communications, 206-440-4479
Description: WSDOT maintenance crews are cleaning the Ship Canal Bridge in Seattle.
Work schedule: 

  • **HIGH IMPACT** Saturday, Oct. 1 - The opening of the I-5 express lanes in the southbound direction will be delayed until 10:30 a.m.
  • **HIGH IMPACT** Sunday, Oct. 2 - The opening of the I-5 express lanes in the southbound direction will be delayed until 11 a.m.