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King County Construction

Last update: 4:14 p.m. Friday, Feb. 23

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 202 | SR 513SR 515 | SR 516SR 518 |

Northwest Washington Cable Barrier Upgrades

Highway: SR 18     Region: Northwest    County: King    Location: Milepost(s) 9.00 - 11.41
Contact: Shane Spahr, Project Engineer, 360-848-7103
Description: WSDOT contractor crews from Petersen Brothers are upgrading nearly 40 miles of median cable barrier on six different highways in four different counties. Work on each stretch will take about two weeks and the contractor will complete one section before moving on to the next. Neighbors living near the work zones will hear a drill rig, which often sounds like a vehicle revving its engine, drilling, clunking and thudding as bases and posts are put into place. If you have noise complaints about this project, call the toll-free noise hotline at 1-888-808-4DOT (4368).
More project information
Work schedule:

  • Sunday, Feb. 25, to the morning of Wednesday, Feb. 28 - A single lane of either direction of State Route 18 between Southeast 304th Street and State Route 516 will be closed from 8 p.m. to 5 a.m. nightly.
  • Tuesday, Feb. 27, to the morning of Friday, Mar. 2 - A single lane of either direction of State Route 18 between Southeast 200th Street and Issaquah-Hobart Road will be closed from 8 p.m. to 8 a.m. nightly.

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:

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:

  • Work suspended until Spring 2018.
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 webpage
Work schedule:

LANE CLOSURES

  • Monday, Feb. 26, to the morning of Friday, March 2 – Two lanes of northbound SR 167 from South 180th Street to I-405 will be closed nightly from 8 p.m. to 4:30 a.m.
  • Monday, Feb. 26, to the morning of Friday, March 2 – Two lanes of southbound SR 167 from I-405 to South 180th Street will be closed nightly from 10 p.m. to 4:30 a.m.
  • Tuesday, Feb. 27, to the morning of Friday, March 2 – **ROLLING SLOWDOWNS** are scheduled on northbound SR 167 from South 180th Street to I-405 nightly from midnight to 4 a.m.

RAMP CLOSURES

  • * Monday, Feb. 26, to the morning of Friday, March 2 – The South 180th Street ramp to northbound SR 167 will be closed nightly from 10 p.m. to 4:30 a.m.
  • *Monday, Feb. 26, to the morning of Friday, March 2 – The Southwest 41st Street on-ramp to southbound SR 167 will be closed nightly from 10 p.m. to 4:30 a.m.
  • * Monday, Feb. 26, to the morning of Friday, March 2 – The northbound SR 167 ramp to northbound I-405 will be closed nightly from 10 p.m. to 4:30 a.m.
  • * Monday, Feb. 26, to the morning of Friday, March 2 – The Talbot Road South ramp to northbound I-405 will be closed nightly from 10 p.m. to 4:30 a.m.
  • * Monday, Feb. 26, to the morning of Friday, March 2 – The southbound SR 167 ramp to northbound I-405 will be closed nightly from 10 p.m. to 4:30 a.m.
  • * Monday, Feb. 26, to the morning of Friday, March 2 – The northbound I-405 off-ramp to southbound SR 167 will be closed nightly from 10 p.m. to 4:30 a.m.
  • * Monday, Feb. 26, to the morning of Friday, March 2 – The northbound I-405 off-ramp to northbound 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.

CITY STREET CLOSURES

  • Monday, Feb. 12, to the afternoon of Friday, Feb. 16 – One lane of northbound Talbot Road South between the northbound I-405 on-ramp and the southbound I-405 off-ramp will be closed from 9 a.m. to 3 p.m.
  • Monday, Feb. 12, to the afternoon of Friday, Feb. 16 – One lane of northbound East Valley Road between Southwest 19th Street and Maple Ave. Southwest will be closed from 8:30 a.m. to 3 p.m.
  • Tuesday, Feb. 20, to the afternoon of Friday, Feb. 23 – One lane of northbound Talbot Road South between the northbound I-405 on-ramp and the southbound I-405 off-ramp will be closed from 9 a.m. to 3 p.m.
  • Tuesday, Feb. 20, to the afternoon of Friday, Feb. 23 – 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 noon.
  • Tuesday, Feb. 20, to the afternoon of Friday, Feb. 23 – One lane of northbound East Valley Road between the Southwest 19th Street and Maple Ave. Southwest will be closed from 8:30 a.m. to 3 p.m.
  • Wednesday, Feb. 21, to the afternoon of Friday, Feb. 23 – One lane of the Southwest 41st Street on-ramp to southbound SR 167 will be closed from 5 a.m. to 1 p.m.

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:

  • Work suspended until Spring 2018.
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 webpage
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 webpage
Work schedule:

  • Monday, Feb. 26, to the afternoon of Friday, March 2 – One lane of northbound Talbot Road South between the northbound I-405 on-ramp to the southbound I-405 off-ramp will be closed from 9 a.m. to 3 p.m.
  • Monday, Feb. 26, to the afternoon of Friday, March 2 – One lane of southbound Talbot Road South between the northbound I-405 on-ramp to the southbound I-405 off-ramp will be closed from 4:30 a.m. to noon.
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.
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:

  • No lane or ramp closures are scheduled.