I-5, SR 6, SR 702 closures planned

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  Multiple road closures and lane reductions begin this week for maintenance and construction projects across the region.“005 [6 mi from Centralia–Chehalis]: From 9 a.m. to 3 p.m. Monday, Sept. 21, the right lane of southbound I-5 will close near milepost 88 south of Grand Mound for guardrail repairs. <a href="https://content.govdelivery.com/accounts/WADOT/bulletins/42aaf9e">Read the travel advisory</a>.”
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  The Washington State Department of Transportation (WSDOT) announced several lane closures effective Sept. 14, 2026.“Effective: Sep 14, 2026, 4:55 PM Effective: Sep 14, 2026, 5:00 AM Effective: Sep 14, 2026, 5:00 AM Effective: Sep 15, 2026, 4:32 PM Effective: Sep 15, 2026, 4:24 PM Effective: Aug 17, 2026, 5:00 AM Effective: Sep 15, 2026, 11:46 AM Effective: Sep 14, 2026, 4:58 PM”
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  A right lane closure on southbound I-5 near milepost 88 for guardrail repairs will occur from 9 a.m. to 3 p.m. on Sept. 21.“005 [6 mi from Centralia–Chehalis]: From 9 a.m. to 3 p.m. Monday, Sept. 21, the right lane of southbound I-5 will close near milepost 88 south of Grand Mound for guardrail repairs.”
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  On SR 6, travelers will experience single-lane traffic between Clinton Road and Twin Oaks Road weekdays from 7 a.m. to 3:30 p.m. through Oct. 12.“Monday, Sept. 14 through Monday, Oct. 12: Travelers in both directions of SR 6 will take turns moving through a single lane between Clinton Road (milepost 45.6) and Twin Oaks Road (milepost 46.5), weekdays from 7 a.m. to 3:30 p.m., for work to replace a buried water main line.”
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  Water main replacement work by Boistfort Valley Water Corporation will cause single-lane traffic on SR 6 between Clinton Road and Twin Oaks Road.“Monday, Sept. 14 through Monday, Oct. 12: Travelers in both directions of SR 6 will take turns moving through a single lane between Clinton Road (milepost 45.6) and Twin Oaks Road (milepost 46.5), weekdays from 7 a.m. to 3:30 p.m., for work to replace a buried water main line. Flaggers will direct travelers through the work zone. Plan ahead and expect delays. This work is being done by Boistfort Valley Water Corporation.”
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  A separate SR 6 closure for tree trimming between Rainbow Falls State Park and Hope Creek Road will run through Sept. 30.“006 [14 mi from Centralia–Chehalis]: Monday, Sept. 14 through Wednesday, Sept. 30: Travelers along westbound SR 6 between Rainbow Falls State Park (milepost 35.2) and Hope Creek Road (milepost 36.8) will take turns moving through a single lane daily from 7 a.m. to 5:30 p.m., for tree trimming work. Flaggers will direct travelers through the area. Plan ahead and expect delays.”
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  WSDOT announced roundabout construction projects on SR 702 and SR 507.“702 [25 mi from Centralia–Chehalis]: Expect one-way alternating traffic around the clock on SR 702 at Harts Lake Road near McKenna for a roundabout project. The contractor has one crew working between two roundabout sites. Travelers may not see crews working every day at both sites. Effective: Sep 15, 2026, 4:32 PM Expected end: Nov 13, 2026, 4:32 PM 507 [34 mi from Centralia–Chehalis]: Expect one-way alternating traffic around the clock on SR 507 at 208th Street South near Spanaway for a roundabout project. The contractor has one crew working between two roundabout sites. Travelers may not see crews working every day at both sites. Effective: Sep 15, 2026, 4:24 PM Expected end: Oct 2, 2026, 4:00 PM”
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  One-way alternating traffic will be in effect around the clock on SR 702 until Nov. 13.“Expect one-way alternating traffic around the clock on SR 702 at Harts Lake Road near McKenna for a roundabout project. The contractor has one crew working between two roundabout sites. Travelers may not see crews working every day at both sites.”
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  One-way alternating traffic will be in effect around the clock on SR 507 until Oct. 2.No usable supporting receipt — unverified.
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  A ramp closure on SR 512 will affect overnight traffic through Sept. 20.“512 [39 mi from Centralia–Chehalis]: SR 7 to eastbound SR 512 ramp and eastbound SR 512 right lane closures: -8 p.m. to 6 a.m. the next day, Wednesday, Sept. 16 and Thursday, Sept. 17. -8 p.m. Friday, Sept. 18 to 8 a.m. Sunday, Sept. 20.”
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  Ongoing work on SR 512 will continue until Nov. 30.No usable supporting receipt — unverified.
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  The I-5 exit closure to East 26th Street and the Tacoma Dome will be in effect from 9 a.m. to 3 p.m. on Sept. 22.“From 9 a.m. to 3 p.m. Tuesday, Sept. 22, the exit from southbound I-5 to East 26th Street and the Tacoma Dome will close for guardrail repairs.”