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 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. Route 1, approximately 280,000 vehicles traverse the highway on a daily average basis. Completed in the early 1960s, the George Washington Bridge Bus Station and the high-rise Bridge Apartments built over the expressway create Intermittent tunnels. It is operated by the Port Authority of New York and New Jersey.