Last update: 9:17 a.m. Tuesday, Sept. 1

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

If a highway is not listed below, there are no scheduled lane closures at this time, although emergency lane closures may still occur.

EB Soosette Creek to Holder Creek Paving & Deck Overlay - #9345 Highway: SR 18 Region: Northwest County: King Location: Milepost(s) 8.90 - 20.42

Contact: Mike Askarian, Project Engineer, 206-768-5861

Description: WSDOT contractor crews are repaving eastbound SR 18 between Southeast 304th Street in Auburn and Southeast 256th Street in Covington. Crews are also resurfacing the westbound SR 18 overpass at Issaquah-Hobart Road.

Project webpage

Work schedule: No lane or ramp closures are scheduled. I-90/SR 18 Interchange Auxiliary Ramp - #9476 Highway: SR 18 Region: Northwest County: King Location: Milepost(s) 25.34 - 25.67

Contact: Mike Askarian, Project Engineer, 206-768-5861

Description: WSDOT contractor crews are modifying the existing Snoqualmie Parkway/SR 18 on-ramp to westbound I-90.

Work schedule: No lane or ramp closures scheduled.

Downtown Seattle/SODO Construction Closures

Highway: SR 99 Region: Northwest County: King Location: Milepost(s) 29.00 - 34.30

Description: There are several projects affecting vehicle and pedestrian traffic on SR 99 and city streets through downtown Seattle and SODO.

Work schedule:

See our Seattle/SODO webpage.

Sound Transit's Federal Way Link Extension - F200

Highway: SR 99 Region: Northwest County: King Location: Milepost(s) 11-20

Contact: Jefferson Rose, Sound Transit, 206-370-5568

Description: Sound Transit crews are constructing the Federal Way Link extension between the city of SeaTac and the Federal Way Transit Center.

Project webpage

Work schedule:

Monday, August 17 to the morning of Saturday, August 22 – Two lanes of northbound SR 99 between Kent/Des Moines Road and South 240th Street will close from 9:30 p.m. to 5 a.m. nightly.

Milton Rd Vic to SR 18 Paving & ADA Compliance - #9350

Highway: SR 161 Region: Northwest County: King Location: Milepost(s) 35.32 - 36-25

Contact: Mike Askarian, Project Engineer, 206-768-5861

Description: WSDOT contractor crews are grinding and repaving both directions of SR 161 between Milton Road South and SR 18 in Federal Way. Crews will also assess the transitions from sidewalks to crosswalks, known as curb ramps, and upgrade them when necessary to provide better sidewalk connections for people of all abilities.

Project webpage

Work schedule:

No lane or ramp closures scheduled.

I-405/SR 167 Interchange Direct Connector - #8811

Highway: SR 167 Region: Northwest County: King Location: Milepost(s) 24.80 - 26.26

Contact: Craig Smiley, Communications, 425-456-8624

Description: WSDOT contractor crews are building a new flyover ramp connecting the HOT lanes on SR 167 to the carpool lanes on I-405 in Renton.

Project webpage

Work schedule:

Lane closures

No lane closures are scheduled.

Ramp closures

No ramp closures are scheduled.

City street closures

No city street closures are scheduled.