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King County Construction

Last update: 10:30 a.m. Thursday, May 21

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.

| SR 18 | SR 99 | SR 104 | SR 164SR 167 | SR 169 | SR 202 SR 203 | SR 410 | SR 513SR 515 | SR 516SR 518 |

WB W Valley Hwy S Vic to SE 231st St Paving & ADA Compliance - #9212

Highway: SR 18    Region: Northwest    County: King    Location: Milepost(s) 2.58 - 15.85
Contact: Mike Askarian, Project Engineer, 206-768-5861
Description: WSDOT contractor crews are grinding and repaving westbound SR 18 between Southeast 231st Street near Covington and West Valley Highway in Auburn.
Project webpage
Work schedule:

  • Sunday, May 20, to the morning of Friday, May 25 - The right lane of westbound State Route 18 between Kent-Black Diamond Road and Southeast 231st Street will be closed from 8 p.m. to 5 a.m. daily.
  • Sunday, May 20, to the morning of Thursday, May 24 - The Southeast 231st Street on-ramp to westbound State Route 18 will be closed from 9 p.m. to 5 a.m. nightly.
  • Tuesday, May 22, to the morning of Friday, May 18 - The Southeast 256th Street on-ramp to westbound State Route 18 will be closed from 9 p.m. to 5 a.m. nightly.
Northwest Washington Cable Barrier Upgrades

Highway: SR 18     Region: Northwest    County: King    Location: Milepost(s) 9.00 - 11.41
Contact: Shane Spahr, Project Engineer, 360-848-7103
Description: WSDOT contractor crews from Petersen Brothers are upgrading nearly 40 miles of median cable barrier on six different highways in four different counties. Work on each stretch will take about two weeks and the contractor will complete one section before moving on to the next. Neighbors living near the work zones will hear a drill rig, which often sounds like a vehicle revving its engine, drilling, clunking and thudding as bases and posts are put into place. If you have noise complaints about this project, call the toll-free noise hotline at 1-888-808-4DOT (4368).
More project information
Work schedule:

  • No lane or ramp closures are 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:

SR 18 to 17th St SE Paving & ADA Compliance - #9182

Highway: SR 164    Region: Northwest    County: King    Location: Milepost(s) 0.31 - 1.28
Contact: Mike Askarian, Project Engineer, 206-768-5861
Description: WSDOT contractor crews are grinding and repaving both directions of SR 164 between the SR 18 interchange and 17th Street Southeast in Auburn.
Project webpage
Work schedule:

  • Monday, May 21, to Friday, May 25 - The right lane of eastbound State Route 164 between State Route 18 and 17th Street Southeast will be closed from 9 a.m. to 3 p.m. daily.
  • Monday, May 21, to Friday, May 25 - The right lane of westbound State Route 164 between State Route 18 and 17th Street Southeast will be closed from 9 a.m. to 3 p.m. daily.

WB W Valley Hwy S Vic to SE 231st St Paving & ADA Compliance - #9212

Highway: SR 167    Region: Northwest    County: King    Location: Milepost(s) 13.82 - 15.85
Contact: Mike Askarian, Project Engineer, 206-768-5861
Description: WSDOT contractor crews are grinding and repaving westbound SR 18 between Southeast 231st Street near Covington and West Valley Highway in Auburn.
Project webpage
Work schedule:

  • No lane or ramp closures are scheduled.

City of Kent - S 224th Street Improvement Project

Highway: SR 167    Region: Northwest    County: King    Location: Milepost(s) 21.39 - 21.73
Contact: Matthew Scarsella, City of Kent Project Engineer, 253-872-6750
Description: City of Kent contractor crews are widening 88th Avenue South/South 218th Street to a three-lane roadway.
Project webpage
Work schedule:

  • No lane or ramp closures are scheduled. 
City of Kent - S 212th Way Overlay Project

Highway: SR 167    Region: Northwest    County: King    Location: Milepost(s) 22.40
Contact: Joseph Aracuto, City of Kent Project Engineer, 253-856-5664
Description: City of Kent contractor crews are grinding out deteriorated pavement and installing fresh hot-mixed asphalt on a section of S 212th Way between the east end of the SR 167 overpass and 96th Way.
Project webpage
Work schedule:

  • No lane or ramp closures are 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 closures are scheduled.

RAMP CLOSURES

  • No closures are scheduled.

CITY STREET CLOSURES

  • Monday, May 21, to the afternoon of Friday, May 25 – One lane of northbound Talbot Road South between the northbound I-405 on-ramp and the southbound I-405 off-ramp will be closed from 9 a.m. to 3 p.m.
  • Monday, May 21, to the afternoon of Friday, May 25 – One lane of the Talbot Road South ramp to northbound I-405 will be closed from 9 a.m. to 3 p.m.
  • Monday, May 21, to the afternoon of Friday, May 25 – The intersection of East Valley Road and Southwest 19th Street will be closed, from 7 a.m. to 5 p.m. One lane of East Valley Road will remain open, with flaggers directing traffic through the work site.
  • Monday, May 14, to the afternoon of Friday, May 18 – One lane of northbound Talbot Road South between the northbound I-405 on-ramp and the southbound I-405 off-ramp will be closed from 9 a.m. to 3 p.m.
  • Monday, May 14, to the afternoon of Friday, May 18 – One lane of the Talbot Road South on-ramp to northbound I-405 will be closed from 9 a.m. to 3 p.m.
  • Monday, May 14, to the afternoon of Friday, May 18 - The intersection of East Valley Road and Southwest 19th Street will be closed from 7 a.m. to 5 p.m. One lane of East Valley Road will remain open, with flaggers directing traffic through the work site.

Little Bear Creek Fish Barrier Removal - #8865

Highway: SR 202    Region: Northwest    County: King    Location: Milepost(s) 0.12 – 0.18
Contact: Dave Lindberg, Project Engineer, 425-225-8725
Description: WSDOT contractor crews are building a buried bridge under SR 202 over Little Bear Creek in Woodinville and removing the existing culvert under the roadway.
Project webpage
Work schedule:

  • No lane or ramp closures are scheduled.
Langlois Creek Fish Passage - #9192

Highway: SR 203    Region: Northwest    County: King    Location: Milepost(s) 4.88 - 4.96
Contact: Dave Lindberg, Project Engineer, 425-225-8725
Description: WSDOT contractor crews are replacing the existing narrow round culvert channeling Langlois Creek with a large box culvert.
Project webpage
Work schedule:

  • Construction is scheduled to begin in summer 2018.
White River Bridge Painting - #9200

Highway: SR 410    Region: Northwest    County: King    Location: Milepost(s) 21.93 - 22.11
Contact: Aleta Borschowa, Project Engineer, 206-768-5601
Description: WSDOT contractor crews are repainting the White River Bridge between Enumclaw and Buckley.
Project webpage
Work schedule:

  • Construction is scheduled to begin in spring 2018.
West Approach Bridge North - #8625

Highway: SR 513    Region: Northwest    County: King    Location: Milepost(s) 0.00 - 1.19
Contact: Steve Strand, Project Engineer, 206-770-3565
Description: The West Approach Bridge North Project is the latest phase of construction of the SR 520 Bridge Replacement and HOV Program and will extend SR 520's three westbound lanes from the new floating bridge to the Montlake area in Seattle.
Project webpage 
Work schedule:

  • No lane or ramp closures are scheduled.
I-405/SR 167 Interchange Direct Connector - #8811

Highway: SR 515    Region: Northwest    County: King    Location: Milepost(s) 6.93
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. This ramp will improve traffic flow and safety at this critical interchange.
Project webpage
Work schedule: 

  • Monday, May 21, to the afternoon of Friday, May 25 – One lane of northbound Talbot Road South between the northbound I-405 on-ramp and the southbound I-405 off-ramp will be closed from 9 a.m. to 3 p.m.
  • Monday, May 21, to the afternoon of Friday, May 25 – One lane of the Talbot Road South ramp to northbound I-405 will be closed from 9 a.m. to 3 p.m.
  • Monday, May 14, to the afternoon of Friday, May 18 – One lane of northbound Talbot Road South between the northbound I-405 on-ramp and the southbound I-405 off-ramp will be closed from 9 a.m. to 3 p.m.
  • Monday, May 14, to the afternoon of Friday, May 18 – One lane of the Talbot Road South on-ramp to northbound I-405 will be closed from 9 a.m. to 3 p.m.
NB S 260th St to Duwamish River Br Concrete Pavement Rehab - #8992

Highway: SR 516    Region: Northwest    County: King    Location: Milepost(s) 1.90
Contact: Mike Askarian, Project Engineer, 206-768-5861
Description: WSDOT contractor crews are rehabilitating northbound I-5 between South 260th Street in Des Moines and the Duwamish River Bridge in Tukwila.
Project webpage
Work schedule:

  • No lane or ramp closures are scheduled.
Des Moines Memorial Drive Interchange Improvements - #9078

Highway: SR 518    Region: Northwest    County: King    Location: Milepost(s) 0.18 - 0.65
ContactAleta Borschowa, Project Engineer, 206-768-5601
Description: WSDOT contractor crews are adding a new two-lane off-ramp from eastbound SR 518 to Des Moines Memorial Drive.
Project webpage
Work schedule:

  • No lane or ramp closures are scheduled.