Infrastructure

I-5 Lane Closures in Pullman This Weekend

Saturday, August 15, 2026

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The Washington State Department of Transportation (WSDOT) announced lane closures on Interstate 5 in Pullman starting Saturday, Aug. 15. The left lane of northbound I-5 will close between Samish Way (milepost 252) and Iowa Street (milepost 254) from 6 to 10 a.m. Saturday and Sunday. The Iowa Street on-ramp to northbound I-5 will also close from 6 a.m. to 1 p.m. Saturday.

A separate paving project near Grand Mound will cause overnight lane closures on I-5 between Maytown Rd and Old Hwy 99 from 8 p.m. to 6 a.m. Monday through Wednesday and Thursday to Friday. The project is expected to end on Aug. 29, 2026. Drivers should expect delays during these times.

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

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The Washington State Department of Transportation (WSDOT) announced lane closures on Interstate 5 in Pullman starting Saturday, Aug. 15No usable supporting receipt — unverified.
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The left lane of northbound I-5 will close between Samish Way (milepost 252) and Iowa Street (milepost 254) from 6 to 10 a.m. Saturday“005: Daily from 6 to 10 a.m. starting Saturday, Aug. 15 to Sunday, Aug. 16, the left lane of northbound Interstate 5 will be closed for maintenance between Samish Way (milepost 252) and Iowa Street (milepost 254). The Iowa Street on-ramp to northbound I-5 will close from 6 a.m. to 1 p.m. Saturday, Aug. 15.”
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The left lane of northbound I-5 will close between Samish Way (milepost 252) and Iowa Street (milepost 254) from 10 a.m. to 6 p.m. SundayNo usable supporting receipt — unverified.
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The Iowa Street on-ramp to northbound I-5 will also close from 6 a.m. to 1 p.m. Saturday“The Iowa Street on-ramp to northbound I-5 will close from 6 a.m. to 1 p.m. Saturday, Aug. 15.”
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A separate paving project near Grand Mound will cause overnight lane closures on I-5 between Maytown Rd and Old Hwy 99 from 8 p.m. to 6 a.m. Monday through Wednesday“Overnight lane and ramp closures on I-5 between Maytown Rd and Old Hwy 99 for a <a href="https://wsdot.wa.gov/construction-planning/search-projects/i-5-old-highway-99-maytown-road-paving ">paving project</a> near Grand Mound. Double lane closures & rest area closures: 8 p.m. to 6 a.m. Monday to Wednesday 9 p.m. Thursday to 6 a.m. Friday 9 p.m. Friday to 9 a.m. Saturday Ramp closures: 9 p.m. to 6 a.m. Monday to Wednesday 10 p.m. Thursday to 6 a.m. Friday 10 p.m. Friday to 8 a.m. S”
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A separate paving project near Grand Mound will cause overnight lane closures on I-5 between Maytown Rd and Old Hwy 99 from 8 p.m. to 6 a.m. Thursday to FridayNo usable supporting receipt — unverified.
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The project is expected to end on Aug. 29, 2026“Effective: Aug 11, 2026, 3:47 PM Expected end: Aug 29, 2026, 9:00 AM”
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Drivers should expect delays during these timesNo usable supporting receipt — unverified.