It serves as a through street between Plandome Road and Port Washington Boulevard (NY 101).
[7] When the Metropolitan Museum of Art had Munsey Park developed in the 1920s, Park Avenue was extended through the new development to Northern Boulevard (NY 25A) and Port Washington Boulevard (NY 101) at the southeastern corner of the village.
[8] The portion of Park Avenue located within the unincorporated hamlet of Manhasset is owned and maintained by the Town of North Hempstead.
[9] Originally, Park Avenue branched at its southeast end, with one branch leading to Port Washington Boulevard (NY 101) and the other leading to Northern Boulevard (NY 25A).
[8] These connections were eventually severed, causing the road to dead-end just southeast of Park Avenue North; the area was redeveloped as a shopping center.