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Snohomish County Construction

Last update: 12:00 p.m. Tuesday, Dec. 12

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.

I-5 | I-405 | SR 9SR 525SR 526 | SR 527 | SR 529 | SR 531 |

Woodinville Guardrail Repair Work

Highway: SR 9    Region: Northwest    County: Snohomish    Location: Milepost(s) 0.63
ContactAlly Barrera, communications, 206-440-4457
Description: WSDOT maintenance crews will be replacing a guardrail along northbound SR 9 in Woodinville
Work schedule:

  • Tuesday, Dec. 12 - The right lane of northbound State Route 9/Woodinville-Snohomish Road at 228th Street Southeast will be closed from 6 a.m. to 1 p.m.
Snohomish Fiberoptics Utilities Work

Highway: SR 9    Region: Northwest    County: Snohomish    Location: Milepost(s) 3.77
Contact: Mike Gallop, WSDOT, 206-440-4913
Description: Crews with the Zayo Group will perform aerial utilities work over SR 9 in the Clearview area of Snohomish. This work will include intermittent five-minute traffic holds while crews work over the highway.
Work schedule:

  • Tuesday, Dec. 12, to the morning of Wednesday, Dec. 13 - A single lane of either direction of State Route 9 at 180th Street Southeast will be closed from 9 p.m. to 5 a.m.
Marysville Guardrail Repair Work

Highway: SR 9 Region: Northwest County: Snohomish Location: Milepost(s) 19.70
Contact: Ally Barrera, communications, 206-440-4457
Description: WSDOT maintenance crews will be replacing a guardrail along northbound SR 9 in Marysville.
Work schedule:

  • Tuesday, Dec. 12 - The right lane of northbound State Route 9 at State Route 528 will be closed from 9:45 a.m. to 1:30 p.m.
SB Alderwood Mall Pkwy Intersection Improvements - #9017

Highway: SR 525    Region: Northwest    County: Snohomish    Location: Milepost(s) 0.55 - 0.68
Contact: Dave Lindberg, Project Engineer, 425-225-8725
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.

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: Dave Lindberg, Project Engineer, 425-225-8725
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.
Mill Creek Pavement Work

Highway: SR 527    Region: Northwest    County: Snohomish    Location: Milepost(s) 4.47
Contact: Ally Barrera, communications, 206-440-4457
Description: Crews with Alderwood Water & Wastewater District will perform pavement work at the intersection of SR 527 and 196th St SE
Work schedule:

  • Wednesday, Dec. 13, to the morning of Thursday, Dec. 14 - Police officers will provide traffic control on State Route 527 at 196th Street Southeast from 9 p.m. to 5 a.m.
NB Steamboat Slough Bridge Painting - #9043

Highway: SR 529    Region: Northwest    County: Snohomish    Location: Milepost(s) 5.42 - 5.71
Contact: Mark Sawyer, Project Engineer, 425-225-8799
Description: WSDOT contractor crews are cleaning and painting the northbound SR 529 Steamboat Slough Bridge between Everett and Marysville.
Project webpage
Work schedule:

  • Work suspended until Spring 2018.
Edgecomb Creek Fish Passage - #9082

Highway: SR 531    RegionNorthwest    County: Snohomish    Location: Milepost(s) 8.60 – 8.80
ContactMark Sawyer, Project Engineer, 425-225-8799
Description: WSDOT contractor crews are replacing two culverts and realigning a fish passage on SR 531 in Arlington.
Project webpage
Work schedule:

  • No lane or ramp closures are scheduled.