New York State Route 787 (NY 787) is a state highway in Albany County, New York, in the United States. It is a superhighway extension of Interstate 787 (I-787), continuing northward from the underpass at exit 9 for NY 7 near Green Island to downtown Cohoes at NY 32. NY 787 is a four-lane divided highway named Cohoes Boulevard. With only select at-grade intersections, it may loosely be considered an expressway. For its entire length, NY 787 runs parallel to, and between, NY 32 and the Hudson River.