List of county routes in Putnam County, New York

County routes in Putnam County, New York, known within the county as "county roads", are owned and maintained by the Putnam County Department of Highways and Facilities. Most of the county road numbers, which are all two-digits, are signed with the standard yellow-on-blue pentagon route marker specified by the Manual on Uniform Traffic Control Devices (sign M1–6), which is also used in other counties throughout the state.

Source: Wikipedia — List of county routes in Putnam County, New York (CC BY-SA 4.0)