Riverside Drive West and the Hudson River, ca. 1941.

The original route of Riverside Drive made a sharp turn to the right at 155th Street, bisecting Audubon Park, and isolating “Minnie's Land,” John James and Lucy Audobon’s former home, well below street level to the west of the new road. Upon the opening of the new curved roadway in 1911, motorists complained about the succession of sharp turns. As a solution, the city built a new viaduct between 155th and 161st Streets. Opened in 1928, the viaduct today carries Riverside Drive West.