County routes in Rockland County, New York, are maintained by the Rockland County highway department and signed with the Manual on Uniform Traffic Control Devices-standard yellow-on-blue pentagon route marker. Most of the routes act as primary roads in the less developed areas and also serve to interconnect the various villages and hamlets of the county. Across the county, routes are numbered such that odd-numbered routes are north–south and increase in number from east to west, while even-numbered routes are east–west and increase from south to north.