Tri-Cities travelers will encounter multiple road closures and lane reductions starting Monday, August 10, for pavement repairs and grinding work, according to WSDOT public records. The closures include a single-lane closure on US 97 near US 2 at milepost 184 starting August 11, and nightly closures on I-405 and I-5 ramps from August 10 through 12. Work on SR 542 between Markel Road and Casey Road will reduce traffic to one lane from August 10-12. The State Route 112 paving project preparation begins August 6 and will continue through August 31. WSDOT advises drivers to expect delays and follow detour signs. The projects are scheduled to end between August 12 and August 23, with specific work hours listed in the WSDOT updates.
Tri-Cities Road Work Begins This Week
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📄 Source: WSDOT — Highway Construction & Closures — https://wsdot.wa.gov/travel/road-construction
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- ⚠Tri-Cities travelers will encounter multiple road closures and lane reductions starting Monday, August 10No usable supporting receipt — unverified.
- ✓The closures include a single-lane closure on US 97 near US 2 at milepost 184 starting August 11“097: Travelers on US 97 near the junction with US 2 at milepost 184 will encounter single-lane closures, and flaggers at the northbound on-ramp starting Thursday Aug. 11 at 6 p.m. until 6 a.m. Friday, Aug. 12. Crews will be grinding existing asphalt on the on-ramp.”
- ✓Nightly closures on I-405 and I-5 ramps will occur from August 10 through 12“405: The Northeast 195th Street on-ramp to northbound I-405 will be closed nightly from 11 p.m. Monday, Aug. 10 to 5 a.m. Wednesday, Aug. 12. 405: The right lane of the eastbound SR 522 off-ramp to southbound I-405 will be closed nightly from 10 p.m. Monday, Aug. 10 to 4 a.m. Friday, Aug. 14 and overnight from 10 p.m. Friday, Aug. 14 to 6 a.m. Saturday, Aug. 15. 405: Up to two lanes of southbound I-405 from Lake Washington Boulevard Southeast (milepost 9) to milepost 6 will be closed nightly, 9:30 p.m. Monday, Aug. 10 to 5 a.m. Wednesday, Aug. 12. 005: From 11 p.m. Monday, Aug. 10, to 5 a.m. Tuesday, Aug. 11, the southbound I-5 on-ramp from 172nd Street NE will close for crack sealing and pavement repair. Signed detours will guide people around the closure.”
- ✓Work on SR 542 between Markel Road and Casey Road will reduce traffic to one lane from August 10-12“542: From 8 p.m. Monday, Aug. 10, to 6 a.m. Tuesday, Aug. 12, SR 542 will reduce to one lane between Markel Road and Casey Road for crack sealing and pavement repair. Flaggers will alternate traffic through the work zone.”
- ✓The State Route 112 paving project preparation begins August 6“Starting Thursday, Aug. 6, contractor crews will prepare State Route 112 for paving.”
- ✓The State Route 112 paving project will continue through August 31“Paving work will begin Wednesday, Aug. 12. Crews will pave from milepost 1.87 to milepost 0, then milepost 8 to milepost 1.87. Effective: Aug 3, 2026, 8:33 AM Expected end: Aug 31, 2026, 5:00 PM”
- ✓WSDOT advises drivers to expect delays and follow detour signs“Signed detours will guide people around the closure.”
- ⚠The projects are scheduled to end between August 12 and August 23No usable supporting receipt — unverified.
- ✓Specific work hours are listed in the WSDOT updates“Travelers on US 97 near the junction with US 2 at milepost 184 will encounter single-lane closures, and flaggers at the northbound on-ramp starting Thursday Aug. 11 at 6 p.m. until 6 a.m. Friday, Aug. 12. Crews will be grinding existing asphalt on the on-ramp.”
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