The M98 exits the Harlem River Drive via the Interstate 95/Amsterdam Avenue exit. The M98 travels westbound along West 179th Street and eastbound along West 178th Street between Amsterdam Avenue and Fort Washington Avenue, where the M98 turns north on Fort Washington Avenue until its terminal at the entrance to Fort Tryon Park.
The M98 leaves Harlem River Drive via I-95/Amsterdam Avenue exit. It travels west along West 179th Street and east along West 178th Street between Amsterdam Avenue and Fort Washington Avenue, then turns north on Fort Washington Avenue before reaching its endpoint at the entrance to Fort Tryon Park.