Whatcom, Skagit and Island County construction

Last update: 5 p.m. Thursday, July 9

This information changes frequently. Please check back often. Travelers can also call 5-1-1 or follow @WSDOT_North on Twitter 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. 

Whatcom County

    SR 9 Maintenance/Utilities

    Highway: SR 9    Region: Northwest    County: Whatcom   Location: Milepost(s) 66-98
    Contact: DiAngelea Millar, communications, 206-440-4457
    Description: Crews will be performing regular maintenance and utility work.
    Work schedule:

    • Wednesday, May 27 to the afternoon of Friday, May 29 – Traffic will alternate on SR 9 between the Whatcom, Skagit county line and Potter Road from 7 a.m. to 4 p.m. daily.
    • Monday, June 1 to the afternoon of Friday, June 5 – Traffic will alternate on SR 9 between the Whatcom, Skagit county line and Potter Road from 7 a.m. to 4 p.m. daily.

    SR 9 Acme Vicinity to Mt. Baker Highway Vicinity Weigh In Motion - #9488

    Highway: SR 9    Region: Northwest    County: Whatcom   Location: Milepost(s) 78.44 - 78.52
    Contact: Shane Spahr, Project Engineer, 360-848-7103
    Description: Crews will install a virtual weigh in motion facility. 
    Work schedule:

    • Monday, June 29, to the evening of Wednesday, July 1 - A single lane of SR 9 in each direction at Rutsatz Road will close from 8 a.m. to 5 p.m. daily. 

    SR 542 - Utility Work

    Highway: SR 542 Region: Northwest    County: Whatcom   Location: Milepost(s) 3.35 - 9.60
    Contact: Joseph Calabro, communications, 206-440-4452
    Description: PSE utility maintenance. 
    Work schedule:

    • Monday, June 29, to the afternoon of Thursday, July 2 - Flaggers will alternate traffic on SR 542 between Britton Road and the Nooksack River Bridge from 6 a.m. to 3 p.m. daily. 

    SR 546 - Utility Work

    Highway: SR 546 Region: Northwest    County: Whatcom   Location: Milepost(s) 6.53
    Contact: Joseph Calabro, communications, 206-440-4452
    Description: PSE utility maintenance. 
    Work schedule:

    • Wednesday, July 24, to the morning of Thursday, July 25 - Flaggers will alternate traffic on SR 546 near Trapline Road from 10 p.m. to 5 a.m. 

    Skagit County

    Strategic Pavement Preservation, SR 9, et al. - #9499

    Highway: SR 9 and SR 532    Region: Northwest    County: Island, Snohomish and Skagit. 
    Contact: Shane Spahr, Project Engineer, 360-848-7103
    Description: Crews are doing strategic pavement preservation on several highways north of King County. 
    Work schedule:

    • Monday, July, 6, to the morning of Thursday, July 9 - A single lane of SR 9 between 84th Street Northeast and 132nd Street Northeast will close from 8 p.m. to 5 a.m. nightly. 
    • Thursday. July 9, to the morning of Friday, July 10 - A single lane of SR 532 between 72nd Avenue Northwest and I-5 will close from 8 p.m. to 6 a.m  

    SR 20 vegetation management

    Highway: 20  Region: Northwest    County: Whatcom   Location: Milepost(s) 71.39 - 72.05
    Contact: Joseph Calabro, communications, 206-440-4452
    Description: PSE / Potelco vegetation management. 
    Work schedule:

    • Monday, July 13, to the morning of Friday, July 17 - Traffic will alternate on SR 20 at Minkler Road from 9 a.m. to 3 p.m. daily. 

    SR 20 slide repair - DMA223

    Highway: SR 20  Region: Northwest    County: Skagit    Location: Milepost(s) 99.00
    Contact: Shane Spahr, Project Engineer, 360-848-7103
    Description: Crews are stabilizing a slope above SR 20 following a slide. 
    Work schedule:

    • Until further notice: A signed detour between Rockport and Marblemount is in place. 

    SR 20 - Frontier Utility Work

    Highway: SR 20   Region: Northwest    County: Whatcom   Location: Milepost(s) 100.57 - 100.68
    Contact: Joseph Calabro, communications, 206-440-4452
    Description: Frontier Utility Work
    Work schedule:

    • Tuesday, July 7 - Flaggers will alternate traffic on SR 20 near Conrad Road from 6 a.m. to 3 p.m. 

    SR 530 - Emergency Repair

    Highway: SR 530    Region: Northwest    County: Skagit    Location: Milepost 57
    Contact: Shane Spahr, Project Engineer, 360-848-7103
    Description: In 2020, WSDOT contractor crews from Trimaxx will finish emergency repairs stemming from a winter storm that flooded the highway. The work zone is between Darrington and Rockport, roughly 9 miles south of the junction with SR 20.
    Work schedule:

    • Until further notice - SR 530 will remain reduced to one lane around-the-clock so crews can return to finish highway repairs. Traffic continues to be alternated through the single open lane.

    SR 536 Development Work - city of Mount Vernon

    Highway: SR 536    Region: Northwest    County: Skagit    Location: Milepost(s) .5
    Contact: Joseph Calabro, communications, 206-440-4452
    Description: City of Mount Vernon contractor crews will do work associated with a development project.
    Work schedule:

    • No lane closures are currently scheduled.

    Geotechnical Drilling

    Highway: SR 538 Region: Northwest    County: Skagit    Location: Milepost(s) 0.30
    Contact: Joseph Calabro, communications, 206-440-4452
    Description: Geotechnical drilling operations.
    Work schedule:

    • Monday, July 22, to the afternoon of Friday, July 26 - One right lane closed in each direction of SR 538 at Riverside Drive from 6 a.m. to 3 p.m. daily. 

    SR 538 Highway Widening - Mount Vernon

    Highway: SR 538    Region: Northwest    County: Skagit    Location: Milepost(s) 
    Contact: Joseph Calabro, communications, 206-440-4452
    Description: City of Mount Vernon contractor crews will do work associated with its SR 538/College Way widening project.
    Work schedule:

    • No lane or ramp closures scheduled. 

    Island County

    SR 20 Deception Pass Bridge and Canoe Pass Bridge - Painting and Special Repair - #9344

    Highway: SR 20    Region: Northwest    County: Island    Location: Milepost(s) 41.80 - 42.10
    Contact: Shane Spahr, Project Engineer, 360-848-7103
    Description: In 2019, WSDOT contractor crews from Eagle Industrial Painting will start at two year bridge painting and special repair project.
    Project webpage
    Work schedule:

    • Until further notice - Parking along SR 20 is limited during bridge painting work.
    • Until further notice - Crews will close a lane of SR 20 nightly between 8 p.m. and 6 a.m. for bridge painting and repair work. A flagger will alternate traffic through an open lane.
    • Until further notice - Crews will do sandblasting work to remove old paint from the Canoe Pass and Deception Pass bridges. This work will happen daily from 8 a.m. to 10 p.m. and can be extremely loud, especially for anyone walking or driving near the bridges.

    Special Events

    • No special events scheduled.