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I-5: Federal Way to Blaine Construction

Last update: 12:57 p.m. Friday, March 24

This information changes frequently. Please check back often. Travelers can also call 5-1-1 for real-time traffic and weather updates. 

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Express Lanes Schedule Changes

Highway: I-5    Region: Northwest    County: King    Location: Milepost(s) 165.29 - 172.43
Contact: Nicole Daniels, Communications, 206-440-4479
Description: WSDOT uses the I-5 express lanes to assist the flow of traffic during busy travel times. These lanes are scheduled to move in the direction that will relieve the most congestion from the transportation system.
Express lanes schedule
Work schedule:

  • Saturday, March 25, to Sunday, March 26 - The I-5 express lanes will close at 8 a.m. for maintenance work. The lanes will open northbound by 1:30 p.m.
SB S 320th St to Duwamish River Br Concrete Pavement Rehab - #8816

Highway: I-5    Region: Northwest    County: King    Location: Milepost(s) 142.76 156.71
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.
S 200th St / Military Rd Intersection Improvements - #8883

Highway: I-5    Region: Northwest    County: King    Location: Milepost(s) 151.18 – 151.50
ContactMike Askarian, Project Engineer, 206-768-5861
Description: WSDOT contractor crews are improving the intersection where the southbound I-5 off- and on-ramps meet South 200th Street and Military Road South in SeaTac.
Work schedule:

  • Monday, March 27, to the morning of Wednesday, March 29 – The southbound I-5 off-ramp to South 200th Street/Military Road South will be closed from 9 p.m. to 5 a.m. nightly.
  • Monday, March 27, to Thursday, March 30 - Officers will direct traffic at the intersection of the southbound I-5 off- and on-ramps at South 200th Street/Military Road South from 7 a.m. to 3 p.m. daily.
Seattle Guardrail Repair Work

Highway: I-5    RegionNorthwest    County: King    Location: Milepost(s) 159.20 – 160.00
Contact: Nicole Daniels, Communications, 206-440-4479
Description: WSDOT maintenance crews are repairing a guardrail on southbound I-5 in Seattle.
Work schedule:

  • Sunday, April 2, to the morning of Monday, April 3 – The HOV lane of southbound I-5 between South Albro Place and Boeing Access Road will be closed from 9 p.m. to 5 a.m.
Seattle Maintenance Work

Highway: I-5    RegionNorthwest    County: King    Location: Milepost(s) 167.02
Contact: Nicole Daniels, Communications, 206-440-4479
Description: WSDOT maintenance crews are performing maintenance work on the Mercer Street on-ramp to northbound I-5 in Seattle.
Work schedule:

  • Saturday, March 25, to Sunday, March 26 – A single lane of the Mercer Street on-ramp to northbound I-5 will be closed from 6 a.m. to 1:30 p.m. daily.
116th Street NE Interchange Improvements - Tulalip Tribes Project

Highway: I-5    Region: Northwest    County: Snohomish    Location: Milepost(s) 202.20 – 202.70
Contact: Debbie Bray, Tulalip Tribes Project Manager, 360-716-5024
Description: Tulalip Tribes contractor crews are replacing the I-5/116th Street Northeast interchange near Marysville to reduce congestion and provide more capacity.
Project website
Work schedule:

  • Monday, March 27, to the morning of Friday, March 31 – The off-ramp from southbound I-5 to 116th Street Northeast will be closed from 8 p.m. to 5 a.m. nightly for grinding work.
  • Monday, March 27, to the morning of Friday, March 31 – The on-ramp from 116th Street Northeast to northbound I-5 will be closed from 9 p.m. to 9 a.m. nightly for grinding work.
SR 531 Vic to Stillaguamish River Paving and ADA Compliance - #8825

Highway: I-5    Region: Northwest    County: Snohomish    Location: Milepost(s) 206.67 – 209.35
Contact: Mark Sawyer, Project Engineer, 425-225-8799
Description: WSDOT contractor crews are repaving both directions of I-5 near Arlington, along with the off- and on-ramps at SR 530 and the Smokey Point Rest Area on-ramp to southbound I-5.
Project website
Work schedule:

  • No lane or ramp closures are scheduled.


WSDOT Maintenance Work


Highway: I-5 Region: Northwest County: Snohomish Location: Milepost(s) 213 to 213.5
Contact: Andrea Petrich, Communications, 360-757-5963
Description: WSDOT maintenance crews will close a lane to do work on the weight station platform.
Work Schedule:

  • Wednesday, March 29 - Crews will close the right lane of northbound I-5 at milepost 213, just past SR 532, from 8:30 a.m. until 4:00 p.m. for maintenance. This work is weather dependent.
Fisher Creek - Fish Passage - #8840

Highway: I-5    Region: Northwest    County: Skagit    Location: Milepost(s) 218.51 220.16
Contact: Andrea Petrich, Communications, 360-757-5963
Description: WSDOT contractor crews are removing a culvert, building twin 110-foot-long bridges and rebuilding the creek bed to a more natural state to allow for better fish passage.
Project website
Work schedule:

  • Until further notice - Northbound I-5 will be reduced to two lanes and detoured to a median bypass lane between Starbird Road and SR 534 over Fisher Creek. The speed limit is reduced to 60 mph.
Hill Ditch Bridge to Joe Leary Slough Paving - #8863

Highway: I-5    Region: Northwest    County: Skagit    Location: Milepost(s) 219.79 231.80
Contact: Dave Crisman, Project Engineer, 360-848-7100
Description: WSDOT contractor crews are repaving sections in both directions of I-5 between Cameron Way in Mount Vernon and Chuckanut Drive/SR 11 in Burlington, along with seven on- and off-ramps.
Project website
Work schedule:

  • Work on this project is suspended until spring 2017.

WSDOT Maintenance Work

Highway: I-5 Region: Northwest County: Skagit Location: Milepost(s)
Contact: Andrea Petrich, Communications, 360-757-5963
Description: WSDOT maintenance crews will be repairing guardrail.
Work schedule:

  • There is no work currently scheduled.

  • No lane or ramp closures are scheduled.