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King County Construction

Last update: 3:40 p.m. Thursday, July 19

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:

  • Monday, July 16, to the morning of Friday, July 20 - The right lane of westbound State Route 18 between Southeast 312th Way/Green River Community College and Southeast 231st/232nd Street will be closed from 8 p.m. to 5 a.m. nightly.
  • Thursday, July 19, to the morning of Friday, July 20 - The westbound State Route 18 off-ramp to Southeast 304th Street will be closed from 9 p.m. to 5 a.m.
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:

  • Wednesday, July 18, to the morning of Friday, July 20 - The westbound State Route 18 off-ramp to State Route 164 will be closed from 9 p.m. to 5 a.m. nightly.
  • Wednesday, July 18, to the morning of Friday, July 20 - The westbound State Route 18 on-ramp to State Route 164 will be closed from 9 p.m. to 5 a.m. nightly.

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:

  • Wednesday, July 18, to the morning of Friday, July 20 - At least one lane of westbound State Route 164 between State Route 18 and 17th Street Southeast will be closed from 9 p.m. to 5 a.m. nightly.
  • Wednesday, July 18, to the morning of Friday, July 20 - The westbound State Route 18 off-ramp to State Route 164 will be closed from 9 p.m. to 5 a.m. nightly.
  • Wednesday, July 18, to the morning of Friday, July 20 - The westbound State Route 18 on-ramp to State Route 164 will be closed from 9 p.m. to 5 a.m. nightly.
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, July 16, to the morning of Saturday, July 21 – 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, July 16, to the morning of Friday, July 20 – Two lanes of southbound SR 167 between I-405 and South 180th Street will be closed nightly from 10 p.m. to 5 a.m.
  • Friday, July 20, to the morning of Monday, July 23 – One lane of southbound SR 167 between I-405 and South 212th Street will be closed from 11 p.m. Friday to 5 a.m. Monday.
  • Monday, July 23, to the morning of Saturday, July 28 – Two lanes of northbound SR 167 at the I-405 interchange will be closed nightly from 11 p.m. to 4:30 a.m.
  • Monday, July 23, to the morning of Friday, July 27 – Two lanes of southbound SR 167 between I-405 and South 180th Street will be closed nightly from 10 p.m. to 5 a.m.
  • Friday, July 27, to the morning of Monday, July 30 – One lane of southbound SR 167 between I-405 and South 212th Street will be closed from 11 p.m. Friday to 5 a.m. Monday.

RAMP CLOSURES

  • * Monday, July 16, to the morning of Friday, July 20 – 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, July 16, to the morning of Friday, July 20 – 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.
  • * Wednesday, July 18, to the morning of Friday, July 20 – 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, July 16, to the morning of Friday, July 20 – 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.
  • * Monday, July 16, to the morning of Friday, July 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.
  • * Monday, July 23, to the morning of Friday, July 27 – 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, July 23, to the morning of Friday, July 27 – 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, July 23, to the morning of Friday, July 27 – 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, July 23, to the morning of Friday, July 27 – The northbound SR 167 ramp to southbound I-405 will be closed nightly from 11 p.m. to 4 a.m. A signed detour will be in place.
  • * Monday, July 23, to the morning of Friday, July 27 – 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.
  • * Monday, July 23, to the morning of Friday, July 27 – 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.

CITY STREET CLOSURES

  • Monday, July 16, to the afternoon of Friday, July 20 – 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, July 16, to the afternoon of Friday, July 20 – 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, July 16, to the afternoon of Friday, July 20 – 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, July 23, to the afternoon of Friday, July 29 – 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, July 23, to the afternoon of Friday, July 29 – 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, July 23, to the afternoon of Friday, July 29 – 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: 

  • Monday, July 16, to Friday, July 20 - A single lane of either direction of State Route 203 between 87th Avenue and State Route 9 will be closed from 8 a.m. to 4 p.m. daily. Traffic will alternate through the open lane.
  • Monday, July 16, to Friday, July 20 - A single lane of either direction of State Route 203 between 87th Avenue and State Route 9 will be closed from 8 p.m. to 6 a.m. nightly. Traffic will alternate through the open lane.
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:

  • Saturday, July 14, to the morning of Friday, July 20 - Flaggers will alternate traffic across the White River Bridge from 8 p.m. to 5 a.m. nightly.
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:

  • Sunday, July 15, to the morning of Friday, July 20 - At least one lane of northbound SR 509 between S 128th Street and State Route 99/ West Marginal Way will be closed from 8 p.m. to 5 a.m. nightly. This work is weather dependent. There will also be intermittent ramp closures.
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, July 16, to the afternoon of Friday, July 20 – 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, July 16, to the afternoon of Friday, July 20 – 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, July 23, to the afternoon of Friday, July 29 – 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, July 23, to the afternoon of Friday, July 29 – 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:

  • Monday, July 16, to the morning of Friday, July 20 - Up to three lanes of northbound I-5 between SR 516 and the I-405/SR 518 interchange will be closed beginning at 8 p.m. nightly. All lanes will reopen by 5 a.m. This work is weather dependent.