Infrastructure

SR 4 lane closures begin in Longview area

Friday, September 11, 2026

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SR 4 will have single-lane closures weekdays from 7:30 a.m. to 5 p.m. through Sept. 18 for gas main work. The closures will affect the stretch between 50th Avenue (milepost 56.4) and 42nd Avenue (milepost 57.2). WSDOT says the work involves a buried gas main line extension. The I-5 paving project near Grand Mound will have overnight closures from Sept. 10 to 25, and US 101 mowing will cause daytime delays from Sept. 9 to 17.

📄 Source: WSDOT — Highway Construction & Closures — https://wsdot.wa.gov/travel/road-construction

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SR 4 will have single-lane closures weekdays from 7:30 a.m. to 5 p.m.“A single lane in both directions of SR 4 between 50th Avenue (milepost 56.4) and 42nd Avenue (milepost 57.2) will be closed weekdays from 7:30 a.m. to 5 p.m., for buried gas main line extension work.”
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The closures will last through Sept. 18“Monday, Aug. 17 through Friday, Sept. 18: A single lane in both directions of SR 4 between 50th Avenue (milepost 56.4) and 42nd Avenue (milepost 57.2) will be closed weekdays from 7:30 a.m. to 5 p.m., for buried gas main line extension work.”
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The closures will affect the stretch between 50th Avenue (milepost 56.4) and 42nd Avenue (milepost 57.2)“004 [4 mi from Longview]: Monday, Aug. 17 through Friday, Sept. 18: A single lane in both directions of SR 4 between 50th Avenue (milepost 56.4) and 42nd Avenue (milepost 57.2) will be closed weekdays from 7:30 a.m. to 5 p.m., for buried gas main line extension work.”
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WSDOT says the work involves a buried gas main line extension“A single lane in both directions of SR 4 between 50th Avenue (milepost 56.4) and 42nd Avenue (milepost 57.2) will be closed weekdays from 7:30 a.m. to 5 p.m., for buried gas main line extension work.”
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The I-5 paving project near Grand Mound will have overnight closures from Sept. 10 to 25“005 [47 mi from Longview]: Expect overnight double-lane and ramp closures in both directions of I-5 Monday through Friday between Maytown Rd and Old Hwy 99 for a <a href="https://wsdot.wa.gov/construction-planning/search-projects/i-5-old-highway-99-maytown-road-paving">paving project</a> near Grand Mound. Work wraps up in October. Effective: Sep 10, 2026, 2:00 PM Expected end: Sep 25, 2026, 8:00 PM”
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US 101 mowing will cause daytime delays from Sept. 9 to 17“Wednesday, Sept. 9 through Thursday, Sept. 17: Travelers in both directions of US 101 between the SR 4 interchange (milepost 28.8) and the Grays Harbor County line (milepost 67), will encounter daytime delays from 6:30 a.m. to 4:30 p.m., for mowing along the shoulders of the highway.”