SR 500 lane closure begins Oct. 1

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  SR 500 lane closure begins Oct. 1“500 [6 mi from Vancouver]: Construction at the intersection of SR 500 and Fourth Plain Boulevard. Traffic signals are in flash overnight to accomodate construction. The left lane is closed in all directions beginning at 10:21 pm on October 1, 2026 until further notice. Slow down, use caution through the area, and expect some delays. Effective: Oct 1, 2026, 10:21 PM”
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  Construction at SR 500 and Fourth Plain Boulevard begins Oct. 1 with overnight left-lane closure and traffic signals flashing.“500 [6 mi from Vancouver]: Construction at the intersection of SR 500 and Fourth Plain Boulevard. Traffic signals are in flash overnight to accomodate construction. The left lane is closed in all directions beginning at 10:21 pm on October 1, 2026 until further notice. Slow down, use caution through the area, and expect some delays. Effective: Oct 1, 2026, 10:21 PM”
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  Construction at the intersection of SR 500 and Fourth Plain Boulevard began Oct. 1, 2026, with a left-lane closure in all directions starting at 10:21 p.m. Traffic signals are flashing overnight to accommodate construction.“500 [6 mi from Vancouver]: Construction at the intersection of SR 500 and Fourth Plain Boulevard. Traffic signals are in flash overnight to accomodate construction. The left lane is closed in all directions beginning at 10:21 pm on October 1, 2026 until further notice. Slow down, use caution through the area, and expect some delays. Effective: Oct 1, 2026, 10:21 PM”
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  Drivers should expect delays and use caution through the area while the left lane remains closed until further notice.“The left lane is closed in all directions beginning at 10:21 pm on October 1, 2026 until further notice. Slow down, use caution through the area, and expect some delays.”

WSDOT highway construction and road closures within 50 miles of Vancouver — 10/1/2026:

500 [6 mi from Vancouver]: Construction at the intersection of SR 500 and Fourth Plain Boulevard. Traffic signals are in flash overnight to accomodate construction. The left lane is closed in all directions beginning at 10:21 pm on October 1, 2026 until further notice. Slow down, use caution through the area, and expect some delays.
Effective: Oct 1, 2026, 10:21 PM

005 [11 mi from Vancouver]: Construction on I-5 southbound from milepost 12.5 near Carty Road Overpass to milepost 9.5 near 179th Street. There is a double left lane closure through the work zone beginning at 7:56 pm on October 1, 2026 until further notice. Slow down, move over, use caution through the area, and expect delays.
Effective: Oct 1, 2026, 7:56 PM

004 [40 mi from Vancouver]: Monday, Aug. 17 through Friday, Oct. 9: Travelers in both directions of SR 4 will take turns moving through a single lane between 50th Avenue (milepost 56.4) and 42nd Avenue (milepost 57.2), weekdays from 7:30 a.m. to 5 p.m., for buried gas line extension work. 

Flaggers will direction travelers through the area. Plan ahead and expect delays.
Effective: Aug 17, 2026, 5:00 AM
Expected end: Oct 9, 2026, 5:00 PM

411 [45 mi from Vancouver]: Thursday, Oct. 1 to Friday, Oct. 16: Travelers along southbound SR 411 between Camelot Drive (milepost 10.5) and Waters Road (milepost 9.3) will shift to use a single lane weekday, from 8 a.m. to 4 p.m., for underground utility line installation work. 

Flaggers will direct travelers through the area. Plan ahead and expect delays.
Effective: Oct 1, 2026, 5:00 AM
Expected end: Oct 16, 2026, 4:00 PM