State Route 21 will be closed for road work between milepost 4 and milepost 7, about four miles north of Kahlotus and State Route 260, from 10:18 a.m. Sept. 14 through 5 p.m. Sept. 25, 2026.
Drivers should expect delays and follow signed detours during the closure period. The work is scheduled to end on Sept. 25, 2026, with no further details provided by WSDOT on the nature of the repairs.