Road Closures and Construction Continue in Tri-Cities Area

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  WSDOT has multiple active road construction projects affecting Tri-Cities area highways“WSDOT highway construction and road closures within 50 miles of Tri-Cities — 9/16/2026:”
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  The road construction projects will affect Tri-Cities area highways through mid-September 2026No usable supporting receipt — unverified.
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  The most significant ongoing project is the closure of SR 224 (Van Giesen) in West RichlandNo usable supporting receipt — unverified.
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  SR 224 (Van Giesen) has been closed since December 9, 2025“224 [13 mi from Tri-Cities]: Until further notice SR 224 (Van Giesen) is closed, and detours are in place between Keene Rd. intersection and Paradise Way intersection in West Richland for construction of a new roundabout. Traffic is detoured using local roads. Effective: Dec 9, 2025, 11:10 AM Expected end: Sep 30, 2026, 1:00 AM”
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  The closure of SR 224 (Van Giesen) is expected to end on September 30, 2026“Expected end: Sep 30, 2026, 1:00 AM”
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  The closure of SR 224 (Van Giesen) is for construction of a new roundabout“224 [13 mi from Tri-Cities]: Until further notice SR 224 (Van Giesen) is closed, and detours are in place between Keene Rd. intersection and Paradise Way intersection in West Richland for construction of a new roundabout. Traffic is detoured using local roads.”
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  Detours are in place between Keene Road and Paradise Way intersections“224 [13 mi from Tri-Cities]: Until further notice SR 224 (Van Giesen) is closed, and detours are in place between Keene Rd. intersection and Paradise Way intersection in West Richland for construction of a new roundabout. Traffic is detoured using local roads.”
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  Other active projects include a double lane closure on US-395 near Pasco“395 [4 mi from Tri-Cities]: Northbound US-395 mileposts 22 to 23 near Pasco: Sunday, Sept. 13 through Thursday, Sept. 17 from 6 p.m. to 4:30 a.m. nightly, there will be a double lane closure for bridge work.”
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  The double lane closure on US-395 near Pasco is scheduled from Sept. 13 to Sept. 17“395 [4 mi from Tri-Cities]: Northbound US-395 mileposts 22 to 23 near Pasco: Sunday, Sept. 13 through Thursday, Sept. 17 from 6 p.m. to 4:30 a.m. nightly, there will be a double lane closure for bridge work.”
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  Alternating traffic is in place on SR-730“730 [16 mi from Tri-Cities]: SR 730 between the Jct. of US 12 and the Oregon State Line milepost 0 to 6: Monday through Friday from 6 a.m. to 6 p.m. until further notice, there will be flagger and pilot vehicle controlled alternating traffic for roadwork.”
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  Alternating traffic on SR-730 is scheduled through Sept. 18“730 [16 mi from Tri-Cities]: SR 730 between the Jct. of US 12 and the Oregon State Line milepost 0 to 6: Monday through Friday from 6 a.m. to 6 p.m. until further notice, there will be flagger and pilot vehicle controlled alternating traffic for roadwork.”
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  Chip seal work is being done on SR-240“240 [30 mi from Tri-Cities]: Both directions milepost 8 to 28, Richland. Monday through Friday from 6 a.m. to 6 p.m. daily there will be flagger or pilot vehicle controlled alternating traffic for chip seal work. Drivers should expect backups and delays through the work zone.”
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  Chip seal work on SR-240 is scheduled Monday-Friday 6 a.m.-6 p.m.“240 [30 mi from Tri-Cities]: Both directions milepost 8 to 28, Richland. Monday through Friday from 6 a.m. to 6 p.m. daily there will be flagger or pilot vehicle controlled alternating traffic for chip seal work. Drivers should expect backups and delays through the work zone.”