Snohomish County construction

Last Update: 11:40 p.m. Thursday, March 21

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: 

  • No lane or ramp closures are scheduled.

SR 9

136th St SE Vic to SR 96 Vic Channelization - #9194

Highway: SR 9    Region: Northwest    County: Snohomish    Location: Milepost(s) 6.65 - 6.96
Contact: Ed Kane, Project Engineer, 425-225-8743
Description: WSDOT contractor crews are adding a second northbound lane between 136th Street Southeast and SR 96.
Project webpage
Work schedule:

  • No lane or ramp closures are scheduled.

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:

  • Construction will resume spring 2019.

SR 92

147th Ave NE to Quarry Rd Intersection Improvements & Paving - #9195

Highway: SR 92    Region: Northwest    County: Snohomish    Location: Milepost(s) 3.95 - 7.15
ContactMark Sawyer, Project Engineer, 425-225-8799
Description: WSDOT contractor crews are repairing three miles of asphalt between 147th Avenue Northeast and Quarry Road.
Project webpage
Work schedule:

  • No lane or ramp closures are scheduled.

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:

  • No lane or ramp closures are scheduled.

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 are scheduled.

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 are scheduled.

SR 522

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 524

Maintenance near Lynnwood

Highway: SR 524    Region: Northwest    County: Snohomish    Location: Milepost(s) 6.40 - 6.72
Contact: Joseph Calabro, communications, 206-440-4452
Description: WSDOT maintenance crews will repair guardrail on SR 524 near Lynnwood.
Work schedule:

  • Wednesday, March 20, to the morning of Thursday, March 21 - Traffic will alternate on both directions of SR 524 between Cypress Way and Larch Way from 9 p.m. to 4 a.m.

Locust & Larch Way Intersection Improvements - #9233

Highway: SR 524    Region: Northwest    County: Snohomish    Location: Milepost(s) 6.61 - 6.94
ContactMark Sawyer, Project Engineer, 425-225-8799
Description: WSDOT contractor crews are building two single-lane roundabouts on SR 524/Filbert Road at the Locust & Larch Way intersections.
Project webpage
Work schedule:

  • Wednesday, Feb. 27, to the morning of Friday, March 1 - Traffic will alternate on both directions of SR 524 at the Locust Way roundabout from 9 p.m. to 6 a.m. nightly. 

Great Dane Creek Fish Passage - #9251

Highway: SR 524    Region: Northwest    County: Snohomish    Location: Milepost(s) 12.42 - 12.50
Contact: Ed Kane, Project Engineer, 425-225-8743
Description: WSDOT contractor crews are replacing a box culvert under SR 524 in Maltby.
Project webpage
Work schedule:

  • No lane or ramp closures are scheduled.

SR 525

SB Alderwood Mall Pkwy Intersection Improvements - #9017

Highway: SR 525    Region: Northwest    County: Snohomish    Location: Milepost(s) 0.55 - 0.68
Contact: Ed Kane, Project Engineer, 425-225-8743
Description: WSDOT contractor crews are installing a traffic signal at the intersection where the southbound SR 525 off-ramp meets Alderwood Mall Parkway in Lynnwood.
Project webpage
Work schedule:

  • No lane or ramp closures are scheduled.

SR 526

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: ​

  • Monday, March 18, to the morning of Tuesday, March 19 - The right lane of southbound Airport Road at SR 99 will be closed from 11 p.m. to 4 a.m. 
  • Monday, March 18, to the afternoon of Friday, March 22 - The right lane in both directions of SR 527 between 161st Street Southeast and Seattle Hill Road will be closed from 7 a.m. to 3 p.m. daily.
  • Monday, March. 18, to the afternoon of Friday, March 22 - The right lane in both directions of SR 527 between 15th Avenue Southeast and 183rd Street Southeast will be closed from 7 a.m. to 3 p.m. daily.
  • Monday, March 18, to the afternoon of Friday, March 22 - The right lane in both directions of SR 527 between 192nd Street Southeast and 201st Place Southeast will be closed from 7 a.m. to 3 p.m. daily.
  • Monday, March 18, to the afternoon of Friday, March 22 - The right lane in both directions of SR 527 between 19th Drive Southeast and 213th Street Southeast will be closed from 7 a.m. to 3 p.m. daily.
  • Tuesday, March 19, to the morning of Wednesday, March 20 - The right lane in both directions of 128th Street between I-5 and 8th Avenue West will be closed from 11 p.m. to 4 a.m. 
  • Wednesday, March 20, to the afternoon of Thursday, March 21 - The right lane in both directions of SR 527 between 15th Avenue Southeast and 183rd Street Southeast will be closed from 11 p.m. to 4 a.m. 
  • Wednesday, March 20, to the morning of Thursday, March 21 - The right lane of northbound SR 527 between 217th Place Northeast and Canyon Park will be closed from 11 p.m. to 4 a.m. 
  • Thursday, March 21, to the morning of Friday, March 22 - The right lane in both directions of SR 527 between 192nd Street Southeast and 201st Place Southeast will be closed from 11 p.m. to 4 a.m.

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

  • No lane or ramp closures are scheduled.

SR 531

  • No lane or ramp closures are scheduled on SR 531.