181st Street is a major thoroughfare running through the Washington Heights neighborhood. It runs from the Washington Bridge in the east, to the Henry Hudson Parkway in the west, near the George Washington Bridge and the Hudson River. The west end is called Plaza Lafayette.
Which road runs from the Washington Bridge to the Henry Hudson Parkway?
181st Street
The text tells us that the east end of 181st Street is called Washington Bridge and its west end Henry Hudson Parkway. The question asks about a road which runs from "Washington Bridge" to "Henry Hudson Parkway".
So, we can conclude that: 181st Street.