Infrastructure

Southbound I-5 closure sees light traffic

Tuesday, September 15, 2026

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The Washington State Department of Transportation reported light traffic and free-flowing conditions during the first weekday of the five-week closure of southbound Interstate 5 in Portland.

The closure, which began Monday, September 14, 2026, was expected to cause major delays stretching to Vancouver, but WSDOT stated on Monday evening that traffic was flowing freely without significant backups. The closure affects travel through the Portland area but does not impact Skamania County directly.

Skamania County residents traveling to or from Portland should note that this closure is in Oregon and does not affect local roads within Skamania County, including SR-14 or the Wind River corridor.

📄 Source: The Columbian — Skamania County — http://columbian.com/skamania-county/

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The Washington State Department of Transportation reported light traffic and free-flowing conditions“‘Traffic is light and flowing freely’ amid closure of southbound Interstate 5, WSDOT says — Mon, 14 Sep 2026 19:28:41 +0000 On the first weekday morning of the five-week closure of southbound Interstate 5 in Portland, worst-case predictions of traffic snarls as far north as Vancouver have not materialized.”
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The report was during the first weekday of the five-week closure of southbound Interstate 5 in Portland“On the first weekday morning of the five-week closure of southbound Interstate 5 in Portland, worst-case predictions of traffic snarls as far north as Vancouver have not materialized.”
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The closure began on Monday, September 14, 2026No usable supporting receipt — unverified.
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The closure was expected to cause major delays stretching to Vancouver“On the first weekday morning of the five-week closure of southbound Interstate 5 in Portland, worst-case predictions of traffic snarls as far north as Vancouver have not materialized.”
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WSDOT stated on Monday evening that traffic was flowing freely without significant backupsNo usable supporting receipt — unverified.
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The closure affects travel through the Portland areaNo usable supporting receipt — unverified.
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The closure does not impact Skamania County directlyNo usable supporting receipt — unverified.
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Skamania County residents traveling to or from Portland should note that this closure is in OregonNo usable supporting receipt — unverified.
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The closure does not affect local roads within Skamania CountyNo usable supporting receipt — unverified.
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The closure does not impact SR-14 or the Wind River corridor in Skamania CountyNo usable supporting receipt — unverified.