The Department of Transportation announced the following Hawaiʻi Island lane closures during the week of September 15, 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 58 to 60, on Monday, September 15 to Friday, September 19 from 8 a.m. to 2 p.m. for cutting grass. PAPAIKOUSingle lane closure on Hawaii Belt Road (Route 19) possible in either direction between mile post 7 to 9, in the vicinity of Hajime Lane and Old Onomea Road, on Monday, September 15 to Friday, September 19 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 to 24.3, Monday, September 15 to Friday, September 19 from 8:30 a.m. to 3 p.m. for boring for soil samples.