Infrastructure

SR 9 single-lane closure near Pullman begins Aug. 21

Saturday, August 22, 2026

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Washington State Department of Transportation (WSDOT) began a single-lane closure on State Route 9 near Kalloch Road (milepost 59) on Monday, Aug. 21, for fish passage construction. The closure will last 42 days until Sept. 14, with alternating traffic controlled by a signal through a bypass road.

WSDOT also announced a new weekday traffic alternating schedule on SR 9 just south of Mount Vernon Big Lake Road (milepost 49) from 10 a.m. to 4 p.m. on Mondays through Thursdays through Sept. 3. Both projects aim to improve fish passage at unnamed tributaries of Nookachamp and Hansen Creeks.

Drivers should expect delays in the area during these construction periods.

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

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Washington State Department of Transportation (WSDOT) began a single-lane closure on State Route 9 near Kalloch Road (milepost 59) on Monday, Aug. 21No usable supporting receipt — unverified.
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The closure will last 42 days until 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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The closure will have alternating traffic controlled by a signal through a bypass road“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 also announced a new weekday traffic alternating schedule on SR 9 just south of Mount Vernon Big Lake Road (milepost 49)No usable supporting receipt — unverified.
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The traffic alternating schedule is from 10 a.m. to 4 p.m.“Northbound and southbound traffic will alternate from 10 a.m. to 4 p.m. daily Mondays through Thursday through Thursday, Sept. 3, just south of Mount Vernon Big Lake Road (milepost 49) for fish passage construction.”
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The traffic alternating schedule is on Mondays through ThursdaysNo usable supporting receipt — unverified.
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The traffic alternating schedule will last until Sept. 3“009: Northbound and southbound traffic will alternate from 10 a.m. to 4 p.m. daily Mondays through Thursday through Thursday, Sept. 3, just south of Mount Vernon Big Lake Road (milepost 49) for fish passage construction. Expect delays in the area.”
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Both projects aim to improve fish passage at unnamed tributaries of Nookachamp and Hansen CreeksNo usable supporting receipt — unverified.
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Drivers should expect delays in the area during these construction periods“Expect delays in the area.”