vehicular tunnel under the Hudson River, from Manhattan Island (39th Street), New York City, to Weehawken, N.J. It is 8,200 feet (2,500 metres) long and lies about 100 ft below the river's surface. The first tube was opened in 1937, the second in 1954, and the third in 1957. It is operated by the Port Authority of New York and New Jersey.