Snohomish County construction

Last Update: 2 p.m. Friday, Aug. 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.

US 2

I-5 Interchange to Bickford Avenue Paving - #9183

Highway: US 2    Region: Northwest    County: Snohomish    Location: Milepost(s) 0.02 - 3.80
Contact: Mark Sawyer, Project Engineer, 425-225-8799
Description: The remaining repaving work on westbound US 2 between Bickford Avenue and I-5 is postponed to spring 2019. During fall 2018, WSDOT contractor crews will perform expansion joint repair work and place permanent striping on repaved portions of the highway.
Project webpage
Work schedule: 

  • Thursday, Aug. 22 to Tuesday, Sept. 3 - work on hold for the Evergreen State Fair in Monroe.

Bickford Ave to Gold Bar - Paving & Joints & Improvements & ADA - #9363

Highway: US 2    Region: Northwest    County: Snohomish    Location: Milepost(s) 3.85 - 28.99
Contact: Mark Sawyer, Project Engineer, 425-225-8799
Description: WSDOT contractor crews are repaving nearly 12 miles of US 2, installing medians, replacing bridge expansion joints and making other improvements from Snohomish to Gold Bar.
Project webpage
Work schedule: 

  • Thursday, Aug. 22 to Tuesday, Sept. 3 - work on hold for the Evergreen State Fair in Monroe.

Mount Index River Road to Eagle Falls Resurfacing - #9372

Highway: US 2    Region: Northwest    County: Whatcom    Location: Milepost(s) 35.16 - 38.97
Contact: Gabe Ng, Project Engineer, 360-788-7403
Description: In 2019, WSDOT contractor crews will resurface nearly four miles of US 2 between Mount Index Road near Index and Eagle Falls west of Halford. Travelers should expect 20-45 minute delays behind this work zone, which requires daytime closures and warm and dry temperatures.
Project webpage
Work schedule:

  • Wednesday, Sept. 4 and Thursday, Sept. 5 - pilot car alternates traffic through single open lane from 5 a.m. to 5 p.m. daily. This work is weather dependent.

SR 9

SR 204 Intersection Improvements - Stage 1 - #9374

Highway: SR 9    Region: Northwest    County: Snohomish    Location: Milepost(s) 15.76
ContactMark Sawyer, Project Engineer, 425-225-8799
Description: WSDOT contractor crews are making the first in a series of improvements to the intersection of SR 9 and SR 204 in Lake Stevens, beginning with the addition of a southbound lane on SR 9. 
Project webpage
Work schedule:

  • Tuesday, Aug. 27, to the morning of Wednesday, Aug. 28 - Flaggers will direct traffic through a single lane on SR 9 between 4th Street Southeast and 4th Street Northeast from 8 p.m. to 5:30 a.m. 

108th St NE Intersection Improvements - #9195

Highway: SR 9    Region: Northwest    County: Snohomish    Location: Milepost(s) 21.77 - 22.03
ContactMark Sawyer, Project Engineer, 425-225-8799
Description: WSDOT contractor crews are building a single-lane roundabout at the intersection of SR 9 and 108th Street Northeast in Marysville.
Project webpage
Work schedule:

  • High Impact: 9 p.m. Friday, Sept. 6 to 5 a.m. Monday, Sept. 9 - All lanes of SR 9 at 108th Street Northeast will close. Detour signs will be in place.
  • High Impact: 9 p.m. Friday, Sept. 13 to 5 a.m. Monday, Sept. 16 - All lanes of SR 9 at 108th Street Northeast will close. Detour signs will be in place.

SR 92

Little Pilchuck Creek Fish Passage - #9186

Highway: SR 92    Region: Northwest    County: Snohomish    Location: Milepost(s) 2.63 - 2.83
Contact: Mark Sawyer, Project Engineer, 425-225-8799
Description: WSDOT contractor crews are repairing damaged pavement on North Machias Road just south of the intersection with SR 92. 
Project webpage
Work schedule:

  • High Impact: 5 a.m. Saturday, Aug. 24 to 10 p.m. Sunday, Aug. 25 - All lanes of SR 92 at North Machias Road in Lake Stevens will close. Detour signs will be in place.

SR 96

Everett Community Transit SWIFT Project

Highway: SR 96    Region: Northwest    County: Snohomish    Location: Milepost(s) 0.00 - 0.70
Contact: Martin Munguia, Community Transit, 425-348-2348
Description: Community Transit construction crews are making improvements for the SWIFT Green Line in the Everett/Mill Creek area.
Project webpage
Work schedule: 

  • No lane or ramp closures are scheduled.

I-5 Interchange Vic to SR 9 Vic Paving & ADA Compliance - #9198

Highway: SR 96    Region: Northwest    County: Snohomish    Location: Milepost(s) 0.07 - 6.69
Contact: Ed Kane, Project Engineer, 425-225-8743
Description: WSDOT contractor crews are repaving both directions of SR 96 between I-5 and SR 9, including the I-5 off- and on-ramps. A median-curb is also being installed at 12th Drive Southeast.
Project webpage
Work schedule: 

  • No lane or ramp closures scheduled. 

SR 99

Maintenance in Lynnwood

Highway: SR 99    Region: Northwest    County: Snohomish    Location: Milepost(s) 45.5 - 51.0
Contact: Joseph Calabro, communications, 206-440-4452
Description: WSDOT maintenance will do crack sealing on SR 99 through Lynnwood. 
Work schedule: 

  • Tuesday, Aug. 27, to the afternoon of Friday, Aug. 30 A single lane in each direction of SR 99 between 220th Street Southwest and Lincoln Way will close from 9 a.m. to 2:30 p.m. daily. 

SR 204

I-5 Interchange to Bickford Avenue Paving - #9183

Highway: SR 204    Region: Northwest    County: Snohomish    Location: Milepost(s) 0.00
Contact: Mark Sawyer, Project Engineer, 425-225-8799
Description: WSDOT contractor crews are repaving three miles of westbound US 2 between Bickford Avenue and I-5, and resurfacing eastbound US 2 between the US 2/SR 204 interchange and Bickford Avenue.
Project webpage
Work schedule: 

  • No lane or ramp closures scheduled. 

SR 522

N. Creek Bridge to SR 9 Vic Paving - #9378 

Highway: SR 522    Region: Northwest    County: King/Snohomish    Location: Milepost(s) 10.19 - 14.00
Contact: Ed Kane, Project Engineer, 425-225-8743
Description: WSDOT contractor crews are grinding and repaving SR 522 between the North Creek Bridge and SR 9. They’ll also repave some SR 522 on- and off-ramps in the area. 
Project webpage
Work schedule:

  • Monday, Aug. 26, to the morning of Friday, Aug. 30 - The eastbound SR 522 ramp to SR 9 will close from 10:30 p.m. to 5:30 a.m. nightly. 
  • Monday, Aug. 26, to the morning of Friday, Aug. 30 - The westbound SR 522 ramp to SR 9 will close from 8 p.m. to 6 a.m. nightly. 
  • Monday, Aug. 26, to the morning of Friday, Aug. 30 - The SR 9 ramp to westbound SR 522 will close from 9 p.m. to 4:30 a.m. nightly. 
  • Monday, Aug. 26, to the morning of Friday, Aug. 30 - The SR 9 ramp to eastbound SR 522 will close from 8 p.m. to 6 a.m. nightly. 

SR 9 to Snohomish River Paving, Bridge Deck & Rumble Strips - #9227

Highway: SR 522    Region: Northwest    County: Snohomish    Location: Milepost(s) 14.29 - 20.83
Contact: Ed Kane, Project Engineer, 425-225-8743
Description: WSDOT contractor crews are grinding and repaving both directions of SR 522 between SR 9 and Echo Lake Road, installing shoulder rumble strips on SR 522 between Paradise Lake Road and Fales Road and repaving the eastbound SR 522 Snohomish River Bridge.
Project webpage
Work schedule:

  • No lane or ramp closures are scheduled.

Elliott Road Vic Sandfilter - #9156

Highway: SR 522    Region: Northwest    County: Snohomish    Location: Milepost(s) 20.30 - 20.40
Contact: Ed Kane, Project Engineer, 425-225-8743
Description: WSDOT contractor crews are replacing the existing sand filter treatment and drainage structures.
Work schedule:

  • No lane or ramp closures are scheduled.

SR 525

  • No lane closures are scheduled.

SR 526

SR526 - SR525 to Boeing Access & SR525 Spur - #9329

Highway: SR 526 - SR 525    Region: Northwest    County: Snohomish    Location: SR 526 Milepost(s) 0.01 - 0.75, SR 525 Milepost(s) 5.62 - 6.45
Contact: Mark Sawyer, Project Engineer, 425-225-8799
Description: Contractor crews will repave the State Route 525 Spur (Paine Field Boulevard) from where it splits with SR 525 (Mukilteo Speedway) to just west of Boeing Access Road. This project will also repave SR 526 (84th Street Southwest) from Paine Field Boulevard to Mukilteo Speedway. Westbound 84th Street Southwest will be reduced from two lanes to one. Bike lanes will be added in both directions on 84th Street Southwest.
Work schedule:

  • Monday, Aug. 26 and Tuesday, Aug. 27 - shoulder closures on 84th Street from 9 a.m. to 3 p.m. daily.

Et Al 5th Ave Vic to I-5 Paving, ADA Compliance & Expansion Joints - #9053

Highway: SR 526    Region: Northwest    County: Snohomish    Location: Milepost(s) 2.93 - 4.45
Contact: Ed Kane, Project Engineer, 425-225-8743
Description: WSDOT contractor crews are grinding and repaving SR 526/Boeing Freeway in Everett from west of Evergreen Way to Southeast Everett Mall Way.
Project webpage
Work schedule:

  • No lane or ramp closures are scheduled.

    SR 527

    Everett Community Transit SWIFT Project

    Highway: SR 527    Region: Northwest    County: Snohomish    Location: Milepost(s) 6.62 - 8.13
    Contact: Todd Jacobs, Community Transit
    Description: Community Transit construction crews are making improvements for the SWIFT Green Line in the Everett/Mill Creek area.
    Project webpage
    Work schedule: ​

    • No lane closures are scheduled.

    SR 528

    Ebey Slough Bridge to SR 531 Interchange Paving & ADA Compliance - #9028

    Highway: SR 528    Region: Northwest    County: Snohomish    Location: Milepost(s) 0.00
    Contact: Mark Sawyer, Project Engineer, 425-225-8799
    Description: WSDOT contractor crews are repaving an 8-mile stretch of southbound I-5 between SR 531 and SR 529, and about 7-miles of northbound I-5 between SR 529 and 136th Street Northeast in Marysville. Crews will also be working on SR 528 ramps.
    Project webpage
    Work schedule:

    • No lane or ramp closures are scheduled.

    SR 530

    Trafton Creek and Schoolyard Creek Fish Passage - #9143

    Highway: SR 530    Region: Northwest    County: Skagit   Location: Milepost(s) 24.40 - 26.25
    Contact: Mikkel Lamay, Project Engineer, 360-757-5856
    Description: In 2019, WSDOT contractor crews from Kiewit will replace a culvert at Schoolyard Creek, which runs under State Route 530, between Arlington and Darrington, in Snohomish County with a larger fish culvert to improve fish passage.
    Project webpage
    Work schedule:

    • Saturday, July 27, until further notice - Traffic on SR 530 between 127th Avenue Northeast and 139th Avenue Northeast will be diverted to a signalized single lane bypass until further notice.