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King County Construction

Last update: 2:30 p.m. Friday, Feb. 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 167 | SR 202SR 203SR 513SR 515 | SR 516 | SR 518SR 522 | SR 599 |

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:

  • No lane or ramp closures are scheduled.
Sign Maintenance Work

Highway: SR 18    RegionNorthwest    County: King    Location: Milepost(s): 3.82 – 4.05
ContactNicole Daniels, Communications, 206-440-4479
Description: WSDOT maintenance crews will inspect a sign bridge on State Route 18 in Auburn.
Work Schedule:

  • Saturday, Feb. 25 – The right lane of eastbound State Route 18 between C Street Southwest and State Route 164/Auburn Way South will be closed from 6 a.m. to 7:30 a.m.
  • Saturday, Feb. 25 – The right lane of westbound State Route 18 at State Route 164/Auburn Way South will be closed from 7:30 a.m. to 8 a.m.

Steel Bridge Deck Repair Work

Highway(s): SR 99 and SR 509    RegionNorthwest    County: King    Location: Milepost(s): SR 509 29.60 – SR 99 26.93
Contact: Nicole Daniels, Communications, 206-440-4479
Description: WSDOT maintenance crews will perform deck repairs on the 1st Avenue Bridge.
Work schedule:

  • Saturday, Feb. 25 – The two right lanes of northbound State Route 509/State Route 99 will be closed from 6:30 a.m. to 11:30 a.m.

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:

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

  • 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:

  • 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 webpage
Work schedule:

  • Tuesday, Feb. 21, to the morning of Friday, Feb. 24 - A single lane 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.

NE 124th St Vic to Tolt River Bridge Paving and ADA Compliance - #8866

Highway: SR 202    Region: Northwest    County: King    Location: Milepost(s) 4.40 – 13.93
Contact: Aleta Borschowa, Project Engineer, 206-768-5601
Description: WSDOT contractor crews are repaving areas of SR 202 in Redmond and between Redmond and Fall City and upgrading 17 pedestrian ramps in Redmond.
Work schedule:

  • No lane or ramp closures are scheduled.
NE 124th St Vic to Tolt River Bridge Paving and ADA Compliance - #8866

Highway: SR 203    Region: Northwest    County: King    Location: Milepost(s) 0.09 – 5.23
Contact: Aleta Borschowa, Project Engineer, 206-768-5601
Description: WSDOT contractor crews are repaving SR 203 between Fall City and Carnation.
Project webpage
Work schedule:

  • No ramp or lane 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.
Steel Bridge Deck Repair Work

Highway: SR 513    RegionNorthwest    County: King    Location: Milepost(s) 0.20
Contact: Nicole Daniels, Communications, 206-440-4479
Description: WSDOT maintenance crews will perform deck repairs on the Montlake Bridge.
Work schedule:

  • Sunday, Feb. 26 – The left lanes of both directions of State Route 513/Montlake Boulevard will be closed from 6:30 a.m. to 11:30 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.
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.
Seattle Electrical System Work

Highway: SR 522    RegionNorthwest    County: King    Location: Milepost(s) 11.55
Contact: Nicole Daniels, Communications, 206-440-4479
Description: WSDOT maintenance crews are repairing an electrical box on the westbound SR 522 off-ramp to southbound I-5.
Work schedule:

  • Saturday, Feb. 18 – The right lane of the westbound State Route 522 off-ramp to southbound I-5 will be closed from 8:00 a.m. to 4:00 p.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.
WSDOT Guardrail Repair Work

Highway: SR 599    RegionNorthwest    County: King    Location: Milepost(s) 1.74
Contact: Nicole Daniels, Communications, 206-440-4479
Description: WSDOT maintenance crews will repair a damaged guardrail in Tukwila.
Work schedule:

  • Monday, Feb. 20 – The right lane of northbound State Route 599 at Tukwila International Boulevard will be closed from 8 p.m. to 5 a.m.