County Route 20 (Rockland County, New York)

CR 23A in Blauvelt. The county route designation consists of a closed and private dead-end road.
Highway names
Interstates:	Interstate X (I-X)
US Highways:	U.S. Route X (US X)
State:	New York State Route X (NY X)
County:	County Route X (CR X)
System links
New York Highways Interstate U.S. State Reference Parkways

Most of the county routes in Rockland County, New York, act as primary roads in the less developed areas and also serve to interconnect the various villages and hamlets of the county. All routes are maintained by the Rockland County highway department. 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.

There are 24 routes numbered between 1 and 38. The farthest north of these routes is Route 33 in Stony Point, while the farthest south is Route 4 in Palisades. The farthest west is Route 30 in Pearl River and the farthest east is Route 1 in Grand View-on-Hudson. The longest route is Route 33, stretching for 13.4 miles (21.6 km) while the shortest route is Route 33A at a short, ¹⁄₁₀ mile (160 m).

County Route 1 is a 1.60-mile (2.57 km) south–north county route in the eastern part of Rockland County.

Route 1 begins at the Piermont village line, and ends at the South Nyack village line. CR 1 runs through Grand View-on-Hudson. CR 1 runs parallel to US 9W for the duration of its run, which is right along the western banks of the Hudson River. CR 1's northern terminus is just north of the Tappan Zee Bridge overpass, which carries the New York State Thruway (I-87 and I-287). CR 1 does not intersect any major roads during its run as it does not enter the village limits of Nyack or Piermont. In fact, CR 1 does not intersect any roads at all during its run, as it is only connected to Nyack and Piermont via the roads that continue on after the route's termini.