CHELAN — Knapps Tunnel on Highway 97A will be closed from 9 a.m. to 3 p.m. Tuesday through Thursday for routine maintenance to light fixtures.
Crews will replace light bulbs and check the fixtures for moisture damage, DOT spokesman Jeff Adamson said this morning.
Traffic detours onto Highway 971 will be in place at Navarre Coulee (Milepost 223) and Pat and Mike’s (Milepost 230). The detour adds 8 miles, about 15 minutes, to the trip.
— Christine Pratt, World staff…