New York State Route 81  New York State Route 81 (NY 81) is an east–west state highway in the Capital District of New York in the United States. The western terminus of the route is at an intersection with NY 145 and Potter Hollow Road (unsigned NY 910G) in the hamlet of Cooksburg within the town of Rensselaerville. Its eastern terminus is at a junction with U.S. Route 9W (US 9W) in the town of Coxsackie. East of US 9W, the right-of-way of NY 81 continues southeast to the village of Coxsackie as NY 385. NY 81 intersects NY 32 north of the hamlet of Cairo. NY 81 begins at an intersection with NY 145 and Potter Hollow Road (unsigned NY 910G) in the hamlet of Cooksburg (in the town of Rennselaerville). NY 81 proceeds eastward through Rennselaerville, as a two-lane rural roadway, paralleling and crossing some power lines. After turning to the southeast, NY 81 crosses into the Greene County town of Durham. Entering the hamlet of Oak Hill, the route becomes a two-lane residential street, intersecting with the terminus of County Route 22 (CR 22; Oak Hill Road). After CR 22, NY 81 bends eastward out of Oak Hill, intersecting with the northern terminus of CR 27. Paralleling a nearby creek, CR 67 forks to the southeast, while NY 81 continues on its right-of-way through Durham. NY 81 bends northeastward, intersecting with the northern terminus of CR 75, where it turns eastward into the town of Greenville. In Greenville, NY 81 is the main street, remaining a two-lane residential street. Intersecting with CR 50 (North Road). NY 81 continues eastward through Greenville, returning to being a rural two-lane highway and entering the hamlet of West Greenville. A short distance eastward, NY 81 enters the hamlet of Greenville, where it doubles as a residential-commercial street, where it crosses NY 32. After NY 32, the route forks to the southeast at an intersection with CR 26, which is quickly connected via CR 26A. Gradually bending eastward through the town of Greenville, NY 81 intersects with the northern terminus of CR 41 (Greenville Center Road).