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King County Construction

Last update: 11:30 a.m. Friday, April 28

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 203 SR 513SR 515 | SR 516 | SR 518 | 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.
WSDOT Sensor Repair Work

Highway: SR 18    RegionNorthwest    County: King    Location: Milepost(s) 12.55
Contact: Ally Barrera, Communications, 206-440-4457
Description: WSDOT transportation data crews are repairing sensors at WSDOT’s Permanent Traffic Recorder site along State Route 18 in Covington.
Work schedule:

  • Monday, May 1 – A single lane in either direction of State Route 18 at 180th Ave Southeast will be closed from 8 a.m. to 3 p.m. This work is weather dependent.

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 1, to Friday, May 5 – 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.
  • **HIGH IMPACT** Monday, May 1, to the morning of Friday, May 5 - 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.

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 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, April 24, to the morning of Friday, April 28 – The South 180th Street on-ramp to northbound SR 167 will be closed nightly from 10 p.m. to 4:30 a.m.

Lane closures

  • Monday, April 24, to the morning of Friday, April 28 – 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.
Green River Bridge Inspection Work

Highway: SR 169    RegionNorthwest    County: King    Location: Milepost(s) 5.20
Contact: Ally Barrera, Communications, 206-440-4457
Description: WSDOT maintenance crews will perform a bridge inspection.
Work schedule:

  • Monday, May 8, to Wednesday, May 10 – A single lane in either direction of State Route 169 at the Green River Bridge will be closed from 9 a.m. and 2 p.m. daily. Traffic will alternate through the open lane.

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:

  • Monday, May 1, to the morning of Friday, May 5 - 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. On Fridays, a single lane will be closed from 10 p.m. to 7 a.m.

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 lane or ramp closures are scheduled.
Steel Bridge Deck Repair Work

Highway: SR 513    RegionNorthwest    County: King    Location: Milepost(s) 0.20
Contact: Ally Barrera, Communications, 206-440-4457
Description: WSDOT maintenance crews are performing bridge deck repair work on the Montlake Bridge in Seattle.
Work schedule:

  • **HIGH IMPACT** Saturday, April 29 – The inside lanes of the Montlake Bridge will be closed from 6:30 to 11 a.m.
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.
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 & ADA Compliance - #9027

Highway: SR 516    RegionNorthwest    County: King    Location: Milepost(s) 7.19 – 9.43
Contact: Tom Pearce, Communications, 206-440-4696
Description: WSDOT contractor crews are repaving and adjusting State Route 516 in Kent for a smoother driving surface and ADA compliant.
Work schedule:

  • Sunday, April 30, to the morning of Friday, May 5 – Up to 3 lanes in either direction of State Route 516 between 102 Place Southeast and 132nd Avenue Southeast will be closed from 8 p.m. to 5 a.m. nightly.
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.
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.