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King County Construction

Last update: 2:30 p.m. Friday, Aug. 18

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 167 | SR 169 | SR 181 | SR 202SR 410SR 509 | SR 513SR 515 | SR 516SR 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, 206-949-3850, 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

  • No 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:

Aurora Bridge FHWA Bridge Inspection

Highway: SR 99    RegionNorthwest    County: King    Location: Milepost(s): 34.30 – 34.60
Contact: Nicole Daniels, Communications, 206-440-4479
Description: WSDOT maintenance crews are performing mandatory Federal Highway Administration bridge inspection on the Aurora Bridge in Seattle.
Work Schedule:

  • **HIGH IMPACT** Saturday, Aug. 26, to the morning of Sunday, Aug. 27 - The two right lanes of southbound SR 99/Aurora Avenue North on the Aurora Bridge will be closed from 5 to 11 a.m. daily.

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, 206-949-3850, 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

  • No ramp closures are scheduled.

LANE CLOSURES

  • No lane closures are scheduled.

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, Aug. 14, to the morning of Friday, Aug. 18 – The northbound SR 167 ramp to northbound I-405 will be closed nightly from 10 p.m. to 4:30 a.m.
  • * Monday, Aug. 14, to the morning of Friday, Aug. 18 – The southbound SR 167 ramp to northbound I-405 will be closed nightly from 10 p.m. to 4:30 a.m.
  • * Monday, Aug. 14, to the morning of Friday, Aug. 18 – The northbound I-405 ramp to southbound SR 167 will be closed nightly from 10 p.m. to 4:30 a.m.

*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.

LANE CLOSURES

  • Monday, August 14, to the morning of Friday, August 18 – Two lane of southbound SR 167 from I-405 to S 180th Street will be closed nightly from 11 p.m. to 5 a.m.
  • Monday, August 14, to the morning of Friday, August 18 – Two lane of northbound SR 167 from S 180th Street to I-405 will be closed nightly from 8 p.m. to 4:30 a.m.

CITY STREET CLOSURES

  • No street closures are scheduled.
Telecommunications Utilities Work

Highway: SR 169    RegionNorthwest    County: King    Location: Milepost(s): 13.86 - 15.05
Contact: Ally Barrera, communications, 206-440-4457
Description: Cannon Construction will be performing telecommunications utilities work for the Zayo Group in Maple Valley.
Work Schedule:

  • Wednesday, Aug. 23, to the morning of Friday, Aug. 25 – The right turn lane of northbound State Route 169 to Southeast 216th Way will be closed from 7 p.m. to 5 a.m. nightly.
  • Wednesday, Aug. 23, to the morning of Friday, Aug. 25 – The left turn lane of southbound State Route 169 to Witte Road Southeast will be closed from 10 p.m. to 4:30 a.m. nightly.
  • Monday, Aug. 28, to the morning of Tuesday, Aug. 29 – The right turn lane of northbound State Route 169 to Southeast 216th Way will be closed from 7 p.m. to 5 a.m.
  • Monday, Aug. 28, to the morning of Tuesday, Aug. 29 – The left turn lane of southbound State Route 169 to Witte Road Southeast will be closed from 10 p.m. to 4:30 a.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:

  • Monday, Aug. 21, to the morning of Friday, Aug. 25 – As many as two lanes of either direction of State Route 509 between Cedar River Park and 140th Way Southeast will be closed from 10 p.m. to 5 a.m. nightly.
  • Monday, Aug. 28, to Thursday, Aug. 31- The right lane of southbound SR 169 between Cedar River Park and 140th Way Southeast will be closed from 7 a.m. to 3:30 p.m. daily.
  • Monday, Aug. 28, to Thursday, Aug. 31- The right lane of northbound SR 169 between 140th Way Southeast and Cedar River Park will be closed from 8:30 a.m. to 5 p.m. daily.

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:

  • No lane or ramp closures are scheduled.
Columbia Winery Charity Walk & Run

Highway: SR 202    RegionNorthwest    County: King    Location: Milepost(s) 00.56 – 2.22
ContactAlly Barrera, Communications, 206-440-4457
Description: A two-mile stretch of State Route 202/Woodinville Redmond Road Northeast in Woodinville will be closed for the Columbia Winery Charity Walk & Run.
Closure schedule:

  • Saturday, Aug. 19 – The westbound lane of State Route 202/Woodinville Redmond Road Northeast between Northeast 175th and Northeast 145th Street will be closed from 7:30 to 10:30 a.m.
  • Saturday, Aug. 19 – The eastbound lane of State Route 202/Woodinville Redmond Road Northeast between the Sammamish River Trail access and Northeast 175th Street will be closed from 7:30 to 10:30 a.m.
Snoqualmie Railroad Days

Highway: SR 202    RegionNorthwest    County: King    Location: Milepost(s) 26.70 – 27.07
Contact: Ally Barrera, Communications, 206-440-4457
Description: A quarter-mile section of State Route 202 in Snoqualmie will be closed for the annual Snoqualmie Railroad Days.
Closure schedule:

  • **HIGH IMPACT** Friday, Aug. 18 – All lanes of SR 202 between Southeast Fir Street and Southeast Newton Street will be closed from noon to 11 p.m.
  • **HIGH IMPACT** Saturday, Aug. 19 – All lanes of SR 202 between Southeast Fir Street and Southeast Newton Street will be closed from 6 a.m. to 11 p.m.
  • **HIGH IMPACT** Sunday, Aug. 20 – All lanes of SR 202 between Southeast Fir Street and Southeast Newton Street will be closed from 6 a.m. to 6 p.m.
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:

  • Saturday, Aug. 19, to the morning of Wednesday, Aug. 23 – A single lane of either direction of SR 410 between the White River Bridge and SR 164 will be closed from 7 p.m. to 5 a.m. nightly.
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:

  • Monday, Aug. 21, to the morning of Friday, Aug. 25 – The left lane of both directions of State Route 509 between South 168th Street and South 112th Street will be closed from 7 p.m. to 5 a.m. nightly.
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.
Montlake Bridge Deck Replacement Work

Highway: SR 513    RegionNorthwest    County: King    Location: Milepost(s) 0.15 – 0.34
Contact: Nicole Daniels, Communications, 206-440-4479
Description: WSDOT bridge maintenance crews will replace steel bridge deck panels on the Montlake Bridge in Seattle.
Work schedule:

  • **HIGH IMPACT** Friday, Aug. 18, to the morning of Monday, Aug. 21 – All lanes in both directions of SR 513/Montlake Boulevard across the Montlake Bridge will be closed from 10 p.m. Friday to 5 a.m. Monday.
  • **HIGH IMPACT** Friday, Aug. 18, to the morning of Monday, Aug. 21 – The westbound SR 520 off-ramp to Montlake Boulevard/SR 513 will be closed from 10 p.m. Friday to 5 a.m. Monday.
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.
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 website
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 website
Work schedule:

  • Monday, Aug. 21, to Friday, Aug. 25 – A single lane of 8th Avenue at State Route 518 will be closed from 8 a.m. to 4 p.m. daily.
S 168th St to S 112th St Vic Paving, ADA, & Barrier Replacement - #9051

Highway: SR 518    RegionNorthwest    County: King    Location: Milepost(s) 00.50
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.

 

Woodinville Pavement Repair Work

Highway: SR 522 Region: Northwest County: King Location: Milepost(s) 12.00 - 13.00
Contact: Ally Barrera, Communications, 206-440-4457
Description: WSDOT maintenance crews will be repairing pavement on State Route 522 in Woodinville.
Work Schedule:

  • Sunday, Aug. 20, to the morning of Monday, Aug. 21 - 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.
  • Sunday, Aug. 20, to the morning of Monday, Aug. 21 - The Northeast 195th Street on-ramp to westbound State Route 522 will be closed from 9 p.m. to 5 a.m.
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:

  • Monday, Aug. 21, to Friday, Aug. 25 – SR 900/Renton Issaquah Road Southeast between Maple Street and 152nd Avenue Southeast will be reduced to a single lane from 9 a.m. to 3 p.m. daily. Flaggers will alternate traffic through the open lane.