Construction on I-5 northbound from milepost 59 near Exit 59 / Cowlitz River to milepost 61 near SR 506 began on Sept. 30, 2026, at 7:03 p.m., with the right lane closed through the work zone.
Exit 60 is also closed beginning at 7:03 p.m. on Sept. 30, 2026, until further notice.
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WSDOT highway construction and road closures within 50 miles of Centralia–Chehalis — 9/30/2026: 005 [21 mi from Centralia–Chehalis]: Construction on I-5 northbound from milepost 59 near Exit 59 / Cowlitz River to milepost 61 near SR 506. The right lane is closed through the work zone. Exit 60 is also closed beginning at 7:03 pm on September 30, 2026 until further notice. Slow down, use caution through the area, and expect some delays. Effective: Sep 30, 2026, 7:03 PM 507 [34 mi from Centralia–Chehalis]: The new roundabout at SR 507 at 208th Street has temporarily opened while contractor crews focus on paving the SR 702 roundabout at Harts Lake Rd. Single-lane alternating traffic will resume in October for permanent striping. <a href="https://wsdot.wa.gov/construction-planning/search-projects/sr-702-harts-lake-road-sr-507-208th-street-roundabouts">More info online</a>. Effective: Sep 15, 2026, 4:24 PM Expected end: Oct 16, 2026, 4:00 PM 004 [38 mi from Centralia–Chehalis]: Monday, Aug. 17 through Friday, Oct. 9: Travelers in both directions of SR 4 will take turns moving through a single lane between 50th Avenue (milepost 56.4) and 42nd Avenue (milepost 57.2), weekdays from 7:30 a.m. to 5 p.m., for buried gas line extension work. Flaggers will direction travelers through the area. Plan ahead and expect delays. Effective: Aug 17, 2026, 5:00 AM Expected end: Oct 9, 2026, 5:00 PM 512 [39 mi from Centralia–Chehalis]: Expect overnight SR 7 on-ramp to EB SR 512 closures from Monday, Sept. 28 through Friday, Oct. 3: -8 p.m. to 6 a.m., Monday through Wednesday nights. -8:30 p.m. Thursday to 6 a.m. Friday. -7:30 p.m. Friday to 9 a.m. Saturday. Read more on the <a href="https://wsdot.wa.gov/construction-planning/search-projects/sr-512-congestion-management-sr-7">project webpage</a>. Effective: Sep 15, 2026, 11:46 AM Expected end: Nov 30, 2026, 11:46 AM 003 [42 mi from Centralia–Chehalis]: Beginning at 7 a.m. on Wednesday, Sept. 30, the left lane of eastbound US 12 will close west of Montesano between milepost 15 and milepost 16. It will remain closed until 3:30 p.m. on Thursday, Oct. 1. Effective: Sep 30, 2026, 8:05 AM Expected end: Oct 2, 2026, 8:05 AM 016 [42 mi from Centralia–Chehalis]: From 6 a.m. to 8 p.m. Saturday, Oct. 3, two left lanes across the Tacoma Narrows Bridge to Gig Harbor will close for repairs. <a href="https://content.govdelivery.com/accounts/WADOT/bulletins/42cf190">Read the travel advisory</a>. Effective: Sep 28, 2026, 3:36 PM Expected end: Oct 3, 2026, 7:00 AM 005 [45 mi from Centralia–Chehalis]: On Saturday, Oct. 3, expect overnight single and double lane closures in both directions of I-5 near Port of Tacoma Road in Fife. Northbound lane closures start at 7 p.m. and southbound lane closures start at 8 p.m. All lanes are scheduled to be reopen by 9:30 a.m. Sunday. Work is for the City of Fife <a href="https://fifewa.gov/m/newsflash/home/detail/186">Port of Tacoma Phase 2 project</a>. Effective: Jun 30, 2026, 2:54 PM Expected end: Oct 3, 2026, 8:00 PM 161 [49 mi from Centralia–Chehalis]: From 9 p.m. to 4 a.m. nightly Wednesday and Thursday, Sept. 30 and Oct. 1, the right lane on southbound SR 161 will close between I-5 and Military Road South for pavement repair. Effective: Sep 25, 2026, 2:45 PM Expected end: Oct 2, 2026, 4:00 AM
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