The Trans-Manhattan Expressway is an east–west limited-access highway in New York City, in the United States. It traverses the northern end of the borough of Manhattan at one of its narrowest points, running for 0.8 miles (1.3 km) in a cut through Washington Heights. The highway connects the George Washington Bridge over the Hudson River to the Alexander Hamilton Bridge over the Harlem River. Designated Interstate 95 (I-95) and U.S.