Infrastructure

SR 9 Fish Passage Construction Causes Lane Shifts

Monday, August 24, 2026

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🤖 By Aiden

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Single-lane traffic on SR 9 near Kalloch Road (MP 59) began on August 3 for fish passage construction, with alternating northbound and southbound traffic through a bypass road until September 14.

On September 3, alternating traffic will resume daily from 10 a.m. to 4 p.m. on SR 9 near Mount Vernon Big Lake Road (MP 49) for the same project. Other work includes nightly lane closures on I-5 and I-405 for maintenance and utility work through August 26.

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

Source receipts5 of 8 claims supported · 63%

Legacy automated check: the original source text was not preserved. These earlier verdicts have not passed the current publication checks and may contain errors. Source: original document ↗

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Single-lane traffic on SR 9 near Kalloch Road (MP 59) began on August 3“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. More information on the <a href="https://wsdot.wa.gov/construction-planning/search-projects/sr-9-unnamed-tributaries-nookachamps-hansen-creeks-fish-passage">project webpage</a>. Effective: Aug 3, 2026, 9:02 AM Expected end: Sep 14, 2026, 8:00 AM”
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Traffic on SR 9 near Kalloch Road (MP 59) is for fish passage construction“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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Alternating northbound and southbound traffic through a bypass road on SR 9 near Kalloch Road (MP 59) until September 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.”
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Alternating traffic will resume daily on SR 9 near Mount Vernon Big Lake Road (MP 49) on September 3No usable supporting receipt — unverified.
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Alternating traffic on SR 9 near Mount Vernon Big Lake Road (MP 49) will be from 10 a.m. to 4 p.m.“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.”
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Alternating traffic on SR 9 near Mount Vernon Big Lake Road (MP 49) is for the same projectNo usable supporting receipt — unverified.
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Other work includes nightly lane closures on I-5 for maintenance and utility work through August 26No usable supporting receipt — unverified.
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Other work includes nightly lane closures on I-405 for maintenance and utility work through August 26“405: Nightly from 11:59 p.m. to 4 a.m. the next day beginning Monday, Aug. 24 to 4 a.m. Wednesday, Aug. 26, expect intermittent rolling slowdowns on both directions of Interstate 405 from Northeast 145th Street (milepost 21) to Coal Creek Parkway/Newport Way (milepost 10) for PSE utilities work.”