Interstate 87 is an intrastate
interstate highway located entirely within the state of
New York. Its southern end is at an intersection with Interstate 278 (see
Interstate 78) in
New York City, New York; its northern end is in
Champlain, New York[?] at the Canadian border.
346
I-287 connects with its parent in a 15-mile long multiplex in the middle of the highway.
I-587 has no exits at all and it doesn't really connect with I-87. It's kind of odd, going from a traffic circle to a traffic light.