The Harlem River Drive is a 4.20-mile (6.76 km) long north–south limited-access parkway in the New York City borough of Manhattan. It runs along the west bank of the Harlem River from the Triborough Bridge in East Harlem to 10th Avenue in Inwood, where the parkway ends and the road continues northwest as Dyckman Street. South of the Triborough Bridge, the parkway continues toward lower Manhattan as the FDR Drive. All of the Harlem River Drive is designated New York State Route 907P (NY 907P), an unsigned reference route.