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Infrastructure

US 2, SR 508, and I-405 Work Begins

πŸ”Š Listen Β· narrated by Aiden

New lane closures and detours began on Wednesday, August 17, for several road projects in Spokane Valley and surrounding areas. WSDOT announced multiple construction projects affecting US 2, SR 508, and I-405 with specific start and end dates.

US 2 will have single-lane closures west of Cashmere from milepost 105 to 109, Mondays through Thursdays from 6 a.m. to 6 p.m. until mid-to-late September. SR 508 will have alternating traffic with flaggers at milepost 22.68 near Alder Creek starting August 17. I-405 will see the Lake Washington Boulevard/Newcastle on-ramp to southbound I-405 fully closed from 11:30 p.m. Friday, August 21 to 4 a.m. Monday, August 24.

Drivers should expect delays and follow signed detours. WSDOT advises travelers to slow down and stay focused during these construction periods. The projects are ongoing with varying end dates through September 30, 2026.

πŸ“„ Source: WSDOT β€” Highway Construction & Closures β€” https://wsdot.wa.gov/travel/road-construction
Source receipts15 of 20 claims supported Β· 75%

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  • ⚠
    New lane closures and detours began on Wednesday, August 17No usable supporting receipt β€” unverified.
  • ⚠
    New lane closures and detours are for several road projects in Spokane Valley and surrounding areasNo usable supporting receipt β€” unverified.
  • βœ“
    WSDOT announced multiple construction projects affecting US 2, SR 508, and I-405β€œ002: Travelers on US 2 west of Cashmere will encounter single-lane closures in both directions while crews pave the roadway from milepost 105 to 109, Mondays through Thursdays from 6 a.m. to 6 p.m. until mid-to-late September.”
  • βœ“
    WSDOT announced multiple construction projects with specific start and end datesβ€œWSDOT statewide highway construction and road closure updates β€” 8/17/2026:”
  • βœ“
    US 2 will have single-lane closures west of Cashmereβ€œ002: Travelers on US 2 west of Cashmere will encounter single-lane closures in both directions while crews pave the roadway from milepost 105 to 109, Mondays through Thursdays from 6 a.m. to 6 p.m. until mid-to-late September.”
  • βœ“
    US 2 will have single-lane closures from milepost 105 to 109β€œ002: Travelers on US 2 west of Cashmere will encounter single-lane closures in both directions while crews pave the roadway from milepost 105 to 109, Mondays through Thursdays from 6 a.m. to 6 p.m. until mid-to-late September.”
  • βœ“
    US 2 will have single-lane closures Mondays through Thursdaysβ€œ002: Travelers on US 2 west of Cashmere will encounter single-lane closures in both directions while crews pave the roadway from milepost 105 to 109, Mondays through Thursdays from 6 a.m. to 6 p.m. until mid-to-late September.”
  • βœ“
    US 2 will have single-lane closures from 6 a.m. to 6 p.m.β€œ002: Travelers on US 2 west of Cashmere will encounter single-lane closures in both directions while crews pave the roadway from milepost 105 to 109, Mondays through Thursdays from 6 a.m. to 6 p.m. until mid-to-late September.”
  • βœ“
    US 2 will have single-lane closures until mid-to-late Septemberβ€œ002: Travelers on US 2 west of Cashmere will encounter single-lane closures in both directions while crews pave the roadway from milepost 105 to 109, Mondays through Thursdays from 6 a.m. to 6 p.m. until mid-to-late September.”
  • βœ“
    SR 508 will have alternating traffic with flaggers at milepost 22.68β€œ508: Construction on SR 508 both directions at milepost 22.68 near Alder Creek will be alternating traffic with flaggers, use caution beginning at 7:51 am on August 17, 2026 until further notice.”
  • βœ“
    SR 508 will have alternating traffic with flaggers near Alder Creekβ€œ508: Construction on SR 508 both directions at milepost 22.68 near Alder Creek will be alternating traffic with flaggers, use caution beginning at 7:51 am on August 17, 2026 until further notice.”
  • βœ“
    SR 508 will have alternating traffic starting August 17β€œ508: Construction on SR 508 both directions at milepost 22.68 near Alder Creek will be alternating traffic with flaggers, use caution beginning at 7:51 am on August 17, 2026 until further notice.”
  • βœ“
    I-405 will see the Lake Washington Boulevard/Newcastle on-ramp to southbound I-405 fully closedβ€œ405: The Lake Washington Boulevard/Newcastle on-ramp to southbound I-405 will be fully closed day and night, 11:30 p.m. Friday, Aug. 21 – 4 a.m. Monday, Aug. 24. Signed detours will be in place.”
  • βœ“
    I-405 will see the Lake Washington Boulevard/Newcastle on-ramp to southbound I-405 fully closed from 11:30 p.m. Friday, August 21β€œ405: The Lake Washington Boulevard/Newcastle on-ramp to southbound I-405 will be fully closed day and night, 11:30 p.m. Friday, Aug. 21 – 4 a.m. Monday, Aug. 24. Signed detours will be in place. Effective: Aug 14, 2026, 12:00 AM Expected end: Aug 24, 2026, 4:00 AM”
  • βœ“
    I-405 will see the Lake Washington Boulevard/Newcastle on-ramp to southbound I-405 fully closed to 4 a.m. Monday, August 24β€œ405: The Lake Washington Boulevard/Newcastle on-ramp to southbound I-405 will be fully closed day and night, 11:30 p.m. Friday, Aug. 21 – 4 a.m. Monday, Aug. 24. Signed detours will be in place.”
  • βœ“
    Drivers should expect delaysβ€œSlow down, stay focused and expect delays.”
  • βœ“
    Drivers should follow signed detoursβ€œTravelers who need to cross the freeway will follow a signed detour.”
  • ⚠
    WSDOT advises travelers to slow downNo usable supporting receipt β€” unverified.
  • ⚠
    WSDOT advises travelers to stay focused during these construction periodsNo usable supporting receipt β€” unverified.
  • ⚠
    The projects are ongoing with varying end dates through September 30, 2026No usable supporting receipt β€” unverified.

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