79th Street does not exist between Central Park West and Columbus Avenue, due to the superblock of Manhattan Square, largely occupied by the American Museum of Natural History.
[5] The interchange on the Hudson River and the boat basin was first proposed in 1934 and was constructed by 1937 during the tenure of Robert Moses as Parks Commissioner.
It was part of the "79th Street Grade Crossing Elimination Structure" which created a grand architectural multi-level entry and exit from the Henry Hudson Parkway while eliminating a grade crossing of the New York Central Railroad's West Side Line by covering it over and creating the Freedom Tunnel.
[7] On the west side, the 79th Street station on the New York City Subway's IRT Broadway–Seventh Avenue Line is located at the intersection of 79th Street and Broadway, it is served by 1 train during the daytime and 1 and 2 trains during late nights.
The 81st Street-Museum of Natural History station of the IND Eighth Avenue Line is located at 81st Street and Central Park West, and is served by trains that are local at all times.