King County construction

Last update: 3:25 p.m. Friday, Nov. 9

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

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:

  • Saturday, Nov. 10, to the morning of Friday, Nov. 16 - The southbound SR 167 ramp to eastbound and westbound SR 18 will be closed from 11 p.m. to 5 a.m. nightly. 
  • Saturday, Nov. 10, to the morning of Friday, Nov. 16 - The westbound SR 18 ramp to southbound SR 167 will be closed from 11 p.m. to 5 a.m. nightly. 
  • Saturday, Nov. 10, to the morning of Friday, Nov. 16 - The southbound SR 167 ramp to 15th Street Northwest will be closed from 11 p.m. to 5 a.m. nightly. 
  • Saturday, Nov. 10, to the morning of Friday, Nov. 16 - The 15th Street Northwest ramp to southbound SR 167 will be closed from 11 p.m. to 5 a.m. nightly. 
  • Saturday, Nov. 10, to the morning of Friday, Nov. 16 - Two right lanes of southbound SR 167 between north of 15th Street Southwest and south of SR 18 will be closed from 11 p.m. to 5 a.m. 
  • Saturday, Nov. 10, to the morning of Friday, Nov. 16 - The right lane of southbound SR 167 between north of West Main Street and 15th Street Southwest 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:

  • No lane or ramp closures are scheduled.

 

SR 99

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 161 

  • No lane or ramp closures are scheduled.
 

SR 164

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:

  • No lane or ramp closures are scheduled.
 

SR 167

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

  • Saturday, Nov. 10, to the morning of Sunday, Nov. 11 – One lane of northbound SR 167 between South 180th Street to I-405 will be closed from 8 p.m. to 9 a.m.
  • Saturday, Nov. 10, to the morning of Sunday, Nov. 11 – Two lanes of northbound SR 167 between South 180th Street to I-405 will be closed from 11 p.m. to 7 a.m.
  • Saturday, Nov. 10, to the morning of Sunday, Nov. 11 – Rolling slowdowns are scheduled on northbound SR 167 between South 180th Street and I-405 from midnight to 4 a.m.
  • Monday, Nov. 12, to the morning of Tuesday, Nov. 13, and Wednesday, Nov. 14, to the morning of Friday, Nov. 16 – 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.
  • Tuesday, Nov. 13, to the morning of Wednesday, Nov. 14 – Two lanes of northbound SR 167 between South 180th Street and I-405 will be closed from midnight to 7 a.m.
  • Tuesday, Nov. 13, to the morning of Friday, Nov. 16 – 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, Nov. 12, to the morning of Wednesday, Nov. 14 Rolling slowdowns are scheduled on northbound SR 167 between South 180th Street and I-405 from midnight to 4 a.m.

Ramp closures

  • Saturday, Nov. 10, to the morning of Sunday, Nov. 11 – The South 180th Street on-ramp to northbound SR 167 will be closed nightly from 10 p.m. to 6 a.m. A signed detour will be in place.
  • * Tuesday, Nov. 13, to the morning of Friday, Nov. 16 – The northbound I-405 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.
  • * Tuesday, Nov. 13, to the morning of Friday, Nov. 16 – 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.
  • * Tuesday, Nov. 13, to the morning of Friday, Nov. 16 – 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.
  • * Tuesday, Nov. 13, to the morning of Friday, Nov. 16 – The southbound I-405 ramp to southbound SR 167 will be closed nightly from 11 p.m. to 4:30 a.m. A signed detour will be in place.
  • * Monday, Nov. 12, to the morning of Friday, Nov. 16 The South 180th Street on-ramp to northbound SR 167 will be closed nightly from 10 p.m. to 6 a.m. A signed detour will be in place.

* Please note that not all the listed ramps will be closed at the same time. Select ramps will remain open to maintain a working detour for the traveling public.

City street closures

  • Monday, Nov. 12, to the morning of Friday, Nov. 16 – 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.

 

SR 202

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.
 

SR 203

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: 

  • Wednesday, Nov. 7 - Traffic will alternate on SR 203 between Lake Langlois Road and Northeast Tolt Hill Road from 8 a.m. to 4 p.m. 
 

SR 410

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:

  • This project is now complete.
 

SR 509

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:

  • Monday, Oct. 15, to the morning of Friday, Oct. 19 - The shoulder in both directions of SR 509 between South 128th Street and SR 99 will be closed from 8 p.m. to 5 a.m. nightly. 
  • Sunday, Oct. 21, to the morning of Friday, Oct. 26 - A single lane  and the shoulder in both directions of SR 509 between South 128th Street and SR 99 will be closed from 8 p.m. to 5 a.m. nightly.
 

SR 513

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.
 

SR 515

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, Nov. 12, to the morning of Friday, Nov. 16 – 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.

 

SR 516

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.
 

SR 518

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:

  • Monday, Nov. 5, to the afternoon of Friday, Nov. 9 - A single lane in both directions of 8th Avenue South at SR 518 will be closed from 8 a.m. to 4 p.m. daily. 

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.

 

SR 599

SB S 133rd St & 124th St Vic VMS Replacement - #9299 

Highway: SR 599    Region: Northwest    County: King    Location: Milepost(s) 0.35 to 1.04
Contact: Mike Askarian, Project Engineer, 206-768-5861
Description:
Work schedule:

  • Tuesday, Nov. 13, to the afternoon of Thursday, Nov. 15 - One lane of southbound SR 599 between the Metro Bus Barn and 42nd Avenue South will be closed from 4 a.m. to 1 p.m. nightly.
  • Wednesday. Nov. 14, to the afternoon of Friday, Nov. 16 - One lane of northbound SR 599 between 42nd Avenue South and the Metro Bus Barn will be closed from 9:30 a.m. to 5 p.m. daily.