Road closure
High priority
Source: WSDOT Highway Alerts
Maintenance
542: WSDOT alert for Whatcom County.
Effective Oct. 25, 2026, State Route 542/Road to Artist Point has closed for the season. The final 2.7-mile section of the road, known as the Road to Artist Point, will reopen in the late spring/early summer of 2027 after the crews clear the snow and finish any needed maintenance. This message will only be updated when the status of the Road to Artist Point changes.
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Construction
Medium priority
Source: WSDOT Highway Alerts
Construction
005: WSDOT alert for Whatcom County.
Northbound and southbound I-5 will be reduced to a single lane from 8 p.m. to 5 a.m. nightly Sunday, Nov. 2, through Friday morning, Nov. 6, north of the North Lake Samish exit (milepost 245-247) as work continues on
a project correcting 17 barriers to fish migration near Lake Samish. Expect delays.
Road alert
Low priority
Source: WSDOT Highway Alerts
Maintenance
005: WSDOT alert for Whatcom County.
From 9:30 p.m. Wednesday, Nov. 4 to 5 a.m. Thursday, Nov. 5, one left lane of southbound Interstate 5 from SR 539/Guide Meridian to SR 542/Sunset Drive (milepost 256-255) will close for maintenance.
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Road alert
Low priority
Source: WSDOT Highway Alerts
Maintenance
009: WSDOT alert for Whatcom County.
From 9:30 a.m. to 1 p.m. Wednesday, Nov. 4, State Route 9 traffic will alternate with flaggers from Mosquito Lake Road to Strand Road (mileposts 72-75) for maintenance. This work is also scheduled to occur on SR 9 at Potter Road (milepost 77-78).
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Road alert
Low priority
Source: WSDOT Highway Alerts
Maintenance
005: WSDOT alert for Whatcom County.
From 6 to 10 a.m. Thursday, Nov. 5, the right lane of northbound Interstate 5 at State Route 539/Guide Meridian (milepost 256) will close for maintenance.
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Road alert
Low priority
Source: WSDOT Highway Alerts
Maintenance
009: WSDOT alert for Whatcom County.
Northbound and southbound SR 9 will alternate from 7 a.m. to 3 p.m. daily Monday, Oct. 19, through Tuesday, Nov. 10 from Maleng Road to Galbraith Road (milepost 71-72) for utility work.
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Road alert
Low priority
Source: WSDOT Highway Alerts
Maintenance
544: WSDOT alert for Whatcom County.
Nightly (except Friday, Saturday) from 9 p.m. to 5 a.m. the next day beginning Monday, Nov. 2 to 5 a.m. Tuesday, Nov. 10, State Route 522 traffic will alternate with flaggers from Hannegan Road (milepost 2) to Noon Road (milepost 4) for utilities work.
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