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King County Construction

Last update: 10:05 a.m. Monday, May 22

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 164 | SR 167 | SR 169 | SR 202SR 410SR 509 | SR 513SR 515 | SR 516 | SR 518 | SR 522 | SR 599 | SR 900 |

8th to 277th Southbound HOT Lane - #8665

Highway: SR 18    Region: Northwest    County: King    Location: Milepost(s) 2.88
Contacts: Sharif Shaklawun, Project Engineer, 425-450-2559, and Craig Smiley, Communications, 425-456-8639
Description: This project will widen SR 167 to add a lane in the southbound direction from Kent to Auburn and extend the existing High Occupancy Toll (HOT) Lanes system south on SR 167 in the Green River Valley.
Project website
Work schedule:

LANE CLOSURES

  • No lane closures are scheduled.

RAMP CLOSURES

  • **HIGH IMPACT** Thursday, May 25, to the morning of Friday, May 26 – The westbound SR 18 off-ramp to northbound SR 167 will be closed from 10 p.m. to 5 a.m. A signed detour will be in place.
  • **HIGH IMPACT** Thursday, May 25, to the morning of Friday, May 26 – The eastbound SR 18 off-ramp to northbound SR 167 will be closed from 10 p.m. to 5 a.m. A signed detour will be in place.
Snoqualmie to Issaquah Pavement Repair Work

Highway: SR 18    Region: Northwest    County: King    Location: Milepost(s) 20.20 - 27.88
Contacts: Ally Barrera, Communications, 206-440-4457
Description: WSDOT maintenance crews are repairing guardrail and patching potholes on westbound SR 18 between Snoqualmie and Issaquah.

  • **HIGH IMPACT** Tuesday, May 30, to the morning of Friday, June 2 – All lanes of westbound SR 18 between I-90 and Issaquah Hobart Road will be closed will be closed from 9 p.m. to 4:30 a.m. nightly.

Downtown Seattle/SODO Construction Closures

Highway: SR 99    Region: Northwest    County: King    Location: Milepost(s) 29.00 – 34.30
Contact: En Lammers, Communications, 206-805-2874
Description: There are several projects affecting vehicle and pedestrian traffic on SR 99 and city streets through downtown Seattle and SODO.
Work schedule:

SE 408th Street to 196th Avenue SE Vic Pavement Repair and ADA - #8988

Highway: SR 164    RegionNorthwest    County: King    Location: Milepost(s) 8.07 – 10.23
Contacts: Aleta Borschowa, Project Engineer, 206-768-5601
Description: WSDOT contractor crews are repairing damaged concrete panels on SR 164 between Southeast 408th Street and 196th Avenue Southeast in Auburn.
Project website
Work schedule:

  • **HIGH IMPACT** Monday, May 22, to the morning of Wednesday, May 24 - A single lane in either direction of SR 164 between 408th Street and 196th Avenue Southeast will be closed from 7p.m. to 5 a.m. daily. A pilot car will alternate traffic through the open lane.
  • **HIGH IMPACT** Wednesday, May 24, to Friday, May 26 – A single lane in either direction of SR 164 between 408th Street and 196th Avenue Southeast will be closed from 9 a.m. to 3 p.m. daily. A pilot car will alternate traffic through the open lane.
Mutual of Enumclaw Stage Race

Highway: SR 164    RegionNorthwest    County: King    Location: Milepost(s) 14.68 – 14.75
Contacts: Ally Barrera, Communications, 206-440-4457
Description: Drivers should expect traffic delays in the Enumclaw area for the Mutual of Enumclaw Stage Race.
Schedule:

  • Saturday, May 20 – Both directions of SR 164/Griffin Avenue between Railroad Street and First Street will be closed from 6 a.m. to 8 p.m.

8th to 277th Southbound HOT Lane - #8665

Highway: SR 167    Region: Northwest    County: King    Location: Milepost(s) 10.48 – 18.24
Contacts: Sharif Shaklawun, Project Engineer, 425-450-2559, and Craig Smiley, Communications, 425-456-8639
Description: This project will widen SR 167 to add a lane in the southbound direction from Kent to Auburn and extend the existing High Occupancy Toll (HOT) Lanes system south on SR 167 in the Green River Valley.
Project website
Work schedule:

RAMP CLOSURES

  • Monday, May 22, to the morning of Tuesday, May 23 – The westbound 15th Street on-ramp to southbound SR 167 will be closed from 9 p.m. to 5 a.m. A signed detour will be in place.
  • Monday, May 22, to the morning of Tuesday, May 23 – The eastbound 15th Street Southwest on-ramp to southbound SR 167 will be closed from 9 p.m. to 5 a.m. A signed detour will be in place.
  • Monday, May 22, to the morning of Thursday, May 26 – The southbound SR 167 off-ramp to 15th Street Southwest will be closed from 9 p.m. to 5 a.m. nightly. A signed detour will be in place.
  • Tuesday, May 23, to the morning of Wednesday, May 24 – The southbound SR 167 off-ramp to Ellingson Road will be closed from 9 p.m. to 5 a.m. A signed detour will be in place.
  • Tuesday, May 23, to the morning of Wednesday, May 24 – The Ellingson Road on-ramp to northbound SR 167 will be closed from 9 p.m. to 5 a.m. A signed detour will be in place.
  • **HIGH IMPACT** Thursday, May 25, to the morning of Friday, May 26 – The westbound SR 18 off-ramp to northbound SR 167 will be closed from 10 p.m. to 5 a.m. A signed detour will be in place.
  • **HIGH IMPACT** Thursday, May 25, to the morning of Friday, May 26 – The eastbound SR 18 off-ramp to northbound SR 167 will be closed from 10 p.m. to 5 a.m. A signed detour will be in place.
  • Thursday, May 25, to the morning of Friday, May 26 – The 15th Street Southwest on-ramp to northbound SR 167 will be closed from 10 p.m. to 5 a.m. A signed detour will be in place.

LANE CLOSURES

  • Monday, May 22, to the morning of Wednesday, May 24 – The right lane of southbound SR 167 between 277th Street and 8th Street East will be closed from 9 p.m. to 5 a.m. nightly.
  • Wednesday, May 24, to the morning of Friday, May 26 – The left lane of southbound SR 167 between 277th Street and 8th Street East will be closed from 9 p.m. to 5 a.m. nightly.
  • Wednesday, May 24, to the morning of Thursday, May 25 – The right lane of northbound SR 167 between 277th Street and 8th Street East will be closed from 9 p.m. to 5 a.m.
  • Thursday, May 25, to the morning of Friday, May 26 – The left lane of northbound SR 167 between 277th Street and 8th Street East will be closed from 9 p.m. to 5 a.m.

CITY STREET CLOSURES

  • No city street 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. This ramp will improve traffic flow and safety at this critical interchange.
Project website
Work schedule:

RAMP CLOSURES

  • Monday, May 22, to the morning of Friday, May 26 – The Talbot Road South on-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, May 22, to the morning of Friday, May 26 – The South 180th Street on-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, May 22, to the morning of Friday, May 26 – The southbound I-405 ramp to Talbot Road South will be closed nightly from 10 p.m. to 4:30 a.m. A signed detour will be in place.

LANE CLOSURES

  • Monday, May 22, to the morning of Friday, May 26 – One lane of northbound SR 167 from South 180th Street to I-405 will be closed from 9 p.m. to 4:30 a.m.
  • Monday, May 22, to the morning of Friday, May 26 – One lane of northbound I-405 from SR 167 to Talbot Road South will be closed nightly from 10 p.m. to 4:30 a.m.
  • Monday, May 22, to the morning of Friday, May 26 – Two lanes of southbound I-405 from Talbot Road South to SR 167 will be closed nightly from 11 p.m. to 4:30 a.m.
  • Monday, May 22, to the morning of Wednesday, May 24 – Rolling slowdowns are scheduled on northbound and southbound I-405 between SR 167 and Talbot Road from 12 a.m. to 4 a.m.
Mutual of Enumclaw Stage Race

Highway: SR 169    RegionNorthwest    County: King    Location: Milepost(s) 1.67
Contacts: Ally Barrera, Communications, 206-440-4457
Description: Drivers should expect traffic delays in the Enumclaw area for the Mutual of Enumclaw Stage Race.
Schedule:

  • Sunday, May 21 – Both directions of SR 169 at Southeast 416th Street will be closed from 6 a.m. to 6 p.m.
140th Ave SE to Blaine Dr Vic Paving and ADA Compliance - #9071

Highway: SR 169    Region: Northwest     County: King    Location: Milepost(s) 22.86 - 24.84
Contacts: Patrick Fuller, Project Engineer, 206-805-2960
Description: WSDOT contractor crews are repaving a stretch of SR 169 in Renton.
Project website
Work schedule:

  • No lane or ramp closures are scheduled.

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 website
Work schedule:

  • Monday, May 15, to the morning of Sunday, May 21 - Up to two lanes in either direction of SR 202/ 131st Avenue Northeast between SR 522 and Northeast 177th Place will be closed from 9 p.m. to 5 a.m. nightly.
  • Monday, May 22, to the morning of Friday, May 26 – Up to two lanes in either direction of SR 202/ 131st Avenue Northeast between SR 522 and Northeast 177th Place will be closed from 9 p.m. to 5 a.m. nightly.
White River Bridge to SR 164 Paving and ADA Compliance - #8994

Highway: SR 410    RegionNorthwest    County: King    Location: Milepost(s) 22.00 – 24.78
ContactMike Askarian, Project Engineer, 206-768-5861
Description: This project will repave the highway and install drainage near Mud Mountain Road to reroute the water to a nearby drainage pond. Crews will also relocate the traffic island at the SR 410 intersection with Cole Street in Enumclaw.
Project website
Work schedule:

  • Monday, May 22, to Friday, May 26 - SR 164 between the White River Bridge and SR 410 will be down to a single lane from 9 a.m. to 3 p.m. daily. A pilot car will alternate traffic through the open lane.
  • Monday, May 22, to the morning of Friday, May 26 - SR 164 between the White River Bridge and SR 410 will be down to a single lane from 7 p.m. to 5 a.m. daily. A pilot car will alternate traffic through the open lane.
Mutual of Enumclaw Stage Race

Highway: SR 410    RegionNorthwest    County: King    Location: Milepost(s) 25.64 – 29.73
Contacts: Ally Barrera, communications, 206-440-4457
Description: Drivers should expect traffic delays in the Enumclaw area for the Mutual of Enumclaw Stage Race.
Schedule:

  • Sunday, May 21 – Both directions of State Route 410 at 284th Avenue Southeast will be closed from 6 a.m. to 6 p.m.
  • Sunday, May 21 – Both directions of State Route 410 between Mud Mountain Road and 284th Avenue Southeast will be closed from 6 a.m. to 6 p.m.
S 168th St to S 112th St Vic Paving, ADA and Barrier Replacement - #9051

Highway: SR 509    Region: Northwest    County: King    Location: Milepost(s) 24.32 - 27.87
Contact: Aleta Borschowa, Project Engineer, 206-768-5601
Description: WSDOT contractor crews are repaving and installing concrete barriers on SR 509 in Burien.
Project website
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
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 website
Work schedule:

  • No lane or ramp closures are scheduled.
Beat the Bridge Run/Walk

Highway: SR 513    RegionNorthwest    County: King    Location: Milepost(s) 0.00 - 1.19
Contact: Ally Barrera, Communications, 206-440-4457
Description: The 35th Annual Nordstrom Beat the Bridge Run/Walk is expected to cause traffic delays in the University District and Montlake neighborhoods.
Work schedule:

  • Sunday, May 21 – Both directions of State Route 513/Montlake Boulevard between Northeast 44th Street and State Route 520 will be closed from 7:30 to 10 a.m.
  • Sunday, May 21 – The southbound State Route 513/Montlake Boulevard

 on-ramp to westbound State Route 520 will be closed from 8 to 10 a.m.

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 website
Work schedule:

  • No lane or ramp closures are scheduled.
SB S 320th St to Duwamish River Br Concrete Pavement Rehab - #8816

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 southbound I-5 between the Duwamish River Bridge in Tukwila and South 320th Street in Federal Way.
Project website
Work schedule:

  • No lane or ramp closures are scheduled.
102nd Pl SE Vic to 132nd Ave SE Paving and ADA Compliance - #9027

Highway: SR 516    RegionNorthwest    County: King    Location: Milepost(s) 7.14 – 9.44
ContactMike Askarian, Project Engineer, 206-768-5861
Description: WSDOT contractor crews are repaving a stretch of SR 516 in Kent.
Project website
Work schedule:

  • Sunday, May 21, to the morning of Wednesday, May 24 – The two right lanes in either direction of SR 516 between 102 Place Southeast and 132nd Avenue Southeast will be closed from 8 p.m. to 5 a.m. nightly.
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 website
Work schedule:

  • No lane or ramp closures are scheduled.
SB S 320th St to Duwamish River Br Concrete Pavement Rehab - #8816

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 southbound I-5 between the Duwamish River Bridge in Tukwila and South 320th Street in Federal Way.
Project website
Work schedule:

  • No lane or ramp closures are scheduled.
Woodinville Pavement Repair Work

Highway: SR 522    RegionNorthwest     County: King    Location: Milepost(s) 11.52 – 12.88
Contact: Ally Barrera, Communications, 206-440-4457
Description: WSDOT maintenance crews are repairing the pavement on State Route 522 in Woodinville.
Work schedule:

  • Sunday, May 21, to the morning of Monday, May 22 – Up to two left lanes of eastbound State Route 522 between Interstate 405 and State Route 202/132nd Avenue Northeast will be closed, starting with the far left lane at 9 p.m. Both lanes will reopen by 5:30 a.m.
  • Monday, May 22, to the morning of Tuesday, May 23 – The left lane of eastbound State Route 522 between Interstate 405 and State Route 202/132nd Avenue Northeast will be closed from 9 p.m. to 5:30 a.m.
  • Tuesday, May 23, to the morning of Wednesday, May 24 – The right lane of eastbound State Route 522 between State Route 202/132nd Avenue Northeast and Northeast 195th Street will be closed from 9 p.m. to 5:30 a.m.
  • Tuesday, May 23, to the morning of Wednesday, May 24 – The on-ramp from State Route 202 to eastbound State Route 522 will be closed from 9 p.m. to 5 a.m.
  • Wednesday, May 24, to the morning of Thursday, May 25 – The right lane of westbound State Route 522 between State Route 202/132nd Avenue Northeast and Northeast 195th Street will be closed from 9 p.m. to 5 a.m.
  • Wednesday, May 24, to the morning of Thursday, May 25 – The on-ramp from Northeast 195th Street to westbound State Route 522 will be closed from 9 p.m. to 5 a.m.
SB S 320th St to Duwamish River Br Concrete Pavement Rehab - #8816

Highway: SR 599    Region: Northwest    County: King    Location: Milepost(s) 0.00
Contact: Mike Askarian, Project Engineer, 206-768-5861
Description: WSDOT contractor crews are rehabilitating southbound I-5 between the Duwamish River Bridge in Tukwila and South 320th Street in Federal Way.
Project website
Work schedule:

  • No lane or ramp closures are scheduled.
Green Creek Fish Barrier - #9019

Highway: SR 900    Region: Northwest    County: King    Location: Milepost(s) 15.80 - 16.00
Contact: Mike Askarian, Project Engineer, 206-768-5861
Description: WSDOT contractor crews are removing and replacing a culvert under SR 900 in Renton.
Project website
Work schedule:

  • No lane or ramp closures are scheduled.