The Department of Transportation announced the following Hawaiʻi Island lane closures during the week of September 22, 2025. Lane closure schedules may change at any time without further notice. MAMALAHOA HIGHWAY (ROUTE 11)NAALEHUSingle lane closure on Mamalahoa Highway (Route 11) possible in either direction between mile post 60 to 62, on Monday, September 22 to Friday, September 26 from 8 a.m. to 2 p.m. for cutting grass. NINOLESingle lane closure on Hawaii Belt Road (Route 19) possible in either direction in the vicinity of mile post 18.5, Monday, September 22 to Friday, September 26 from 8:30 a.m. to 3 p.m. for boring for soil samples. SOUTH KOHALASingle lane closure on Mamalahoa Highway (Route 190) possible in either direction between mile post 12.2 to 16.4, in the vicinity of Saddle Road on Monday, September 22 to Friday, September 26 from 8:30 a.m. to 3 p.m. for striping of lane lines, turn pockets, and direction arrows.