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King County Construction

Last update: 8 a.m. Friday, August 17

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 164SR 167 SR 202 SR 203 | SR 410 | SR 509 | 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:

  • **HIGH IMPACT** Friday, Aug. 17 to the morning of Monday, Aug. 20 - The left lane of westbound SR 18 between 144th Avenue Southeast and 180th Avenue Southeast will be closed from 9 p.m. Friday, to 5 a.m. Monday.
  • **HIGH IMPACT** Friday, Aug. 17 to the morning of Monday, Aug. 20 – The SR 516 ramp to westbound SR 18 will be closed from 9 p.m. Friday, to 5 a.m. Monday.
  • Monday, Aug. 20, to the morning of Friday, Aug. 24 - The right lane of westbound SR 18 between Peasley Canyon Road and M Street will be closed from 9 p.m. to 5 a.m. nightly.
  • Monday, Aug. 20, to the morning of Thursday, Aug. 23 – The SR 164 ramps to and from westbound SR 18 will be closed from 10 p.m. to 4:30 a.m. nightly.
  • Monday, Aug. 20, to the morning of Friday, Aug. 24 – The C Street ramps to and from westbound SR 18 will be closed from 10 p.m. to 4 a.m. nightly.
SR 18 to 17th St SE Paving & ADA Compliance - #9182

Highway: SR 18    Region: Northwest    County: King    Location: Milepost(s) 4.15
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, Aug. 13 to the afternoon of Friday, Aug. 17 - One lane eastbound SR 164 between SR 18 and 17th Street Southeast will be closed from 9 a.m. to 3 p.m. daily.
  • Monday, Aug. 13 to the afternoon of Friday, Aug. 17 - One lane westbound SR 164 between SR 18 and 17th Street Southeast will be closed from 8 a.m. to 2 p.m.
  • Friday, Aug. 17 – One lane eastbound SR 164 between SR 18 and 17th Street Southeast will be closed from 9 a.m. to 3 p.m.
  • Friday, Aug. 17 – One lane westbound SR 164 between SR 18 and 17th Street Southeast will be closed from 8 a.m. to 2 p.m.

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, Aug. 13 to the afternoon of Friday, Aug. 17 - One lane eastbound SR 164 between SR 18 and 17th Street Southeast will be closed from 9 a.m. to 3 p.m. daily.
  • Monday, Aug. 13 to the afternoon of Friday, Aug. 17 - One lane westbound SR 164 between SR 18 and 17th Street Southeast will be closed from 8 a.m. to 2 p.m.
  • Friday, Aug. 17 – One lane eastbound SR 164 between SR 18 and 17th Street Southeast will be closed from 9 a.m. to 3 p.m.
  • Friday, Aug. 17 – One lane westbound SR 164 between SR 18 and 17th Street Southeast will be closed from 8 a.m. to 2 p.m.

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  

  • Monday, Aug. 6, to the morning of Saturday, Aug. 11 – Two lanes of northbound SR 167 between South 180th Street and I-405 will be closed nightly from 11 p.m. to 4:30 a.m.
  • Monday, Aug. 6, to the morning of Monday, Aug. 13 – Two lanes of southbound SR 167 between I-405 and South 180th Street will be closed nightly from 11 p.m. to 5 a.m.
  • Monday, Aug. 13, to the morning of Friday, Aug. 17 – Two lanes of northbound SR 167 between South 180th Street and I-405 will be closed nightly from 11 p.m. to 4:30 a.m.
  • Monday, Aug. 13, to the morning of Friday, Aug. 17 – Two lanes of southbound SR 167 between I-405 and South 180th Street will be closed nightly from 11 p.m. to 5 a.m.

RAMP CLOSURES

  • * Monday, Aug. 13, to the morning of Friday, Aug. 17 – The northbound I-405 off-ramp to southbound SR 167 will be closed nightly from 10 p.m. to 4:30 a.m. A signed detour will be in place.
  • * Monday, Aug. 13, to the morning of Friday, Aug. 17 – The northbound I-405 off-ramp to northbound SR 167 will be closed nightly from 10 p.m. to 4:30 a.m. A signed detour will be in place.
  • * Monday, Aug. 13, to the morning of Friday, Aug. 17 – The northbound SR 167 ramp to northbound I-405 will be closed nightly from 10 p.m. to 4:30 a.m. A signed detour will be in place.
  • * Monday, Aug. 13, to the morning of Friday, Aug. 17 – The southbound I-405 off-ramp to southbound SR 167/Rainier Ave. South will be closed nightly from 10 p.m. to 4:30 a.m. A signed detour will be in place.
  • * Wednesday, Aug. 15, to the morning of Monday, Aug. 20 – The southbound SR 167 ramp to northbound I-405 will be closed nightly from 10 p.m. to 4:30 a.m. A signed detour will be in place.
  • * Friday, Aug. 17, to the morning of Saturday, Aug. 18 – The northbound I-405 ramp to northbound SR 167 will be closed from 11 p.m. Friday to 5 a.m. Saturday. A signed detour will be in place.

CITY STREET CLOSURES

  • Monday, August 6, to the afternoon of Friday, August 10 – 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, Aug. 13, to the afternoon of Friday, Aug. 17 – 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, Aug. 13, to the afternoon of Friday, Aug. 17 – One lane of southbound Talbot Road South between the northbound I-405 on-ramp and the southbound I-405 off-ramp will be closed from 4:30 a.m. to 3:30 p.m.
  • Monday, Aug. 13, to the afternoon of Friday, Aug. 17 – 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.
  • Thursday, Aug. 16, to the morning of Friday, Aug. 17 – The East Valley Road will be reduced to one lane between Southwest 19th Street and Taylor Ave. Southwest from 8 p.m. to 7 a.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: 

  • **HIGH IMPACT** Sunday, Aug. 26, to the morning of Wednesday, Aug. 29 - All lanes of SR 203 between Langlois Lake Road and Northeast 32nd Street will be closed from 8 p.m. Sunday, to 5 a.m. Wednesday.
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:

  • No lane or ramp closures are scheduled.
S Cloverdale St to Duwamish River Paving & ADA Compliance - #9239

Highway: SR 509    Region: Northwest    County: King    Location: Milepost(s) 27.85 - 29.92
Contact: Aleta Borschowa, Project Engineer, 206-768-5601
Description: WSDOT contractor crews are repaving the roadway and replacing the ADA ramps between the sidewalk and the street at some locations, which will provide better sidewalk connections for people of all abilities
Project webpage
Work schedule:

  • No lane or ramp closures are scheduled.
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, Aug. 13, to the afternoon of Friday, Aug. 17 – 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, Aug. 13, to the afternoon of Friday, Aug. 17 – One lane of southbound Talbot Road South between the northbound I-405 on-ramp and the southbound I-405 off-ramp will be closed from 4:30 a.m. to 3:30 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.
NB S 260th St to Duwamish River Br Concrete Pavement Rehab & ADA - #8992

Highway: SR 518    Region: Northwest    County: King    Location: Milepost(s) 3.81
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.