Infrastructure

Tri-Cities Roads Close for Maintenance This Week

Tuesday, August 4, 2026

2 min read

🤖 By Aiden

🔊 Listen · narrated by Aiden

Multiple highways in the Tri-Cities area will undergo lane closures and traffic adjustments for maintenance and utility work from August 3 through August 7, according to Washington State Department of Transportation (WSDOT) public records.

State Route 522 will close the right lane of northbound traffic from 8 p.m. Aug. 5 to 3 a.m. Aug. 6. Interstate 90 will close two lanes in both directions between Eighth Avenue South and the floating bridge from 8 p.m. Aug. 4 to 3 a.m. Aug. 5. State Route 508 will have alternating traffic with flaggers from milepost 18 to 20 starting Aug. 3. US 101 will have one lane open at a time between mileposts 1. 0 and 2. 5 from 8 a.m. to 4 p.m. daily through Aug. 5.

WSDOT advises travelers to expect delays of up to 20 minutes on affected routes. The closures are scheduled to end between Aug. 4 and Aug. 7, depending on the route.

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

Source receipts10 of 15 claims supported · 67%

Legacy automated check: the original source text was not preserved. These earlier verdicts have not passed the current publication checks and may contain errors. Source: original document ↗

⚠
Multiple highways in the Tri-Cities area will undergo lane closures and traffic adjustments for maintenance and utility workNo usable supporting receipt — unverified.
⚠
The lane closures and traffic adjustments will take place from August 3 through August 7No usable supporting receipt — unverified.
⚠
The information is according to Washington State Department of Transportation (WSDOT) public recordsNo usable supporting receipt — unverified.
✓
State Route 522 will close the right lane of northbound traffic“522: From 8 p.m. Wednesday, Aug. 5 to 3 a.m. Thursday, Aug. 6, the right lane of northbound State Route 522 from State Route 202/132nd Avenue to the State Route 9 overpass (milepost 12-13) will close for maintenance.”
✓
The closure of State Route 522 will occur from 8 p.m. Aug. 5 to 3 a.m. Aug. 6“522: From 8 p.m. Wednesday, Aug. 5 to 3 a.m. Thursday, Aug. 6, the right lane of northbound State Route 522 from State Route 202/132nd Avenue to the State Route 9 overpass (milepost 12-13) will close for maintenance.”
✓
Interstate 90 will close two lanes in both directions between Eighth Avenue South and the floating bridge“090: From 8 p.m. Tuesday, Aug. 4 to 3 a.m. Wednesday, Aug. 5, two lanes of Interstate 90 will close in both directions between Eighth Avenue South (milepost 2) and the floating bridge (milepost 4) for maintenance.”
✓
The closure of Interstate 90 will take place from 8 p.m. Aug. 4 to 3 a.m. Aug. 5“090: From 8 p.m. Tuesday, Aug. 4 to 3 a.m. Wednesday, Aug. 5, two lanes of Interstate 90 will close in both directions between Eighth Avenue South (milepost 2) and the floating bridge (milepost 4) for maintenance.”
✓
State Route 508 will have alternating traffic with flaggers from milepost 18 to 20“508: Maintenance on SR 508 both directions from milepost 18 near Cinebar Road to milepost 20 near Studhalter Road will be alternating traffic with flaggers. Use caution when approaching the area, beginning at 5:58 am on August 3, 2026 until further notice.”
✓
The alternating traffic with flaggers on State Route 508 will start Aug. 3“508: Maintenance on SR 508 both directions from milepost 18 near Cinebar Road to milepost 20 near Studhalter Road will be alternating traffic with flaggers. Use caution when approaching the area, beginning at 5:58 am on August 3, 2026 until further notice.”
✓
US 101 will have one lane open at a time between mileposts 1. 0 and 2. 5“101: Monday, Aug. 3 to Wednesday, Aug. 5: Travelers in both directions of US 101 between milepost 1.0 and Fort Columbia Tunnel (milepost 2.5) will take turns moving through one open lane at a time daily, from 8 a.m. to 4 p.m., for pavement repair work.”
✓
The one lane open at a time on US 101 will occur from 8 a.m. to 4 p.m. daily“Monday, Aug. 3 to Wednesday, Aug. 5: Travelers in both directions of US 101 between milepost 1.0 and Fort Columbia Tunnel (milepost 2.5) will take turns moving through one open lane at a time daily, from 8 a.m. to 4 p.m., for pavement repair work.”
✓
The one lane open at a time on US 101 will take place through Aug. 5“101: Monday, Aug. 3 to Wednesday, Aug. 5: Travelers in both directions of US 101 between milepost 1.0 and Fort Columbia Tunnel (milepost 2.5) will take turns moving through one open lane at a time daily, from 8 a.m. to 4 p.m., for pavement repair work.”
✓
WSDOT advises travelers to expect delays of up to 20 minutes on affected routes“Travelers in both directions of US 101 between milepost 1.0 and Fort Columbia Tunnel (milepost 2.5) will take turns moving through one open lane at a time daily, from 8 a.m. to 4 p.m., for pavement repair work. Flaggers will direct travelers through the area. Plan ahead and expect delays of up to 20 minutes.”
⚠
The closures are scheduled to end between Aug. 4 and Aug. 7No usable supporting receipt — unverified.
⚠
The closures are scheduled to end depending on the routeNo usable supporting receipt — unverified.