New York State Route 85 (NY 85) is a state highway in Albany County, New York, in the United States. It is 26.49 miles (42.63 km) in length and runs from CR 353 in Rensselaerville to Interstate 90 (I-90) exit 4 in Albany. It also has a loop route, NY 85A, which connects NY 85 to the village of Voorheesville. The portion of NY 85 north of NY 140 to the Bethlehem–Albany town/city line is known as the Slingerlands Bypass. From there north to I-90, the road is a limited-access, four-lane highway named the Crosstown Arterial.