Infrastructure

SR 9 lane reduction for fish passage project

Sunday, August 23, 2026

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State Route 9 will be reduced to a single lane near Kalloch Road (MP 59) starting Aug. 23, with alternating northbound and southbound traffic through a bypass road for 42 days until Sept. 14. WSDOT says the change is for fish passage construction on unnamed tributaries of Nookachamp and Hansen Creeks. The project affects drivers traveling between Walla Walla and surrounding areas, with expected delays during the single-lane operation. WSDOT's project webpage provides more details on the construction schedule and traffic management plan. The lane reduction is part of a larger effort to improve fish habitat along the river system, with the work expected to conclude on Sept. 14.

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

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State Route 9 will be reduced to a single lane near Kalloch Road (MP 59) starting Aug. 23“009: SR 9 is reduced to a single lane near Kalloch Road (MP 59) with a signal alternating northbound and southbound traffic through a bypass road for 42 days, until Sept. 14 for fish passage construction. Expect delays in the area.”
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The single-lane operation will have alternating northbound and southbound traffic through a bypass road for 42 days“009: SR 9 is reduced to a single lane near Kalloch Road (MP 59) with a signal alternating northbound and southbound traffic through a bypass road for 42 days, until Sept. 14 for fish passage construction.”
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The single-lane operation will end on Sept. 14“009: SR 9 is reduced to a single lane near Kalloch Road (MP 59) with a signal alternating northbound and southbound traffic through a bypass road for 42 days, until Sept. 14 for fish passage construction. Expect delays in the area.”
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WSDOT says the change is for fish passage construction on unnamed tributaries of Nookachamp and Hansen Creeks“009: SR 9 is reduced to a single lane near Kalloch Road (MP 59) with a signal alternating northbound and southbound traffic through a bypass road for 42 days, until Sept. 14 for fish passage construction. Expect delays in the area.”
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The project affects drivers traveling between Walla Walla and surrounding areasNo usable supporting receipt — unverified.
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The project is expected to conclude on Sept. 14“009: SR 9 is reduced to a single lane near Kalloch Road (MP 59) with a signal alternating northbound and southbound traffic through a bypass road for 42 days, until Sept. 14 for fish passage construction. Expect delays in the area.”