The highway system of Hamilton County, New York, comprises 474.5 miles (763.6 km) of roads maintained by the New York State Department of Transportation (NYSDOT), the county, and its towns and villages. NYSDOT maintains five state touring routes in Hamilton County, which account for a combined 178.7 miles (287.6 km) of New York's state highway mileage. These five routes are supplemented by Hamilton County's county route system, which comprises 25 roads of varying length and importance. The 94.5-mile (152.1 km) system, maintained by the Hamilton County Department of Public Works, connects the state routes to a number of small hamlets and other points of interest.