<P> The George Washington Bridge is a double - decked suspension bridge spanning the Hudson River between the Washington Heights neighborhood of Manhattan in New York City, and the borough of Fort Lee in New Jersey . As of 2016, the George Washington Bridge carried over 103 million vehicles per year, making it the world's busiest motor vehicle bridge . It is owned by the Port Authority of New York and New Jersey, a bi-state government agency that operates infrastructure in the Port of New York area . The George Washington Bridge is also informally known as the GW Bridge, the GWB, the GW, or the George and formerly as the Fort Lee Bridge or Hudson River Bridge . </P> <P> A bridge across the Hudson River was first conceived in 1906 . In early 1925, the state legislatures of New York and New Jersey voted to allow for the planning and construction of such a bridge . Construction on the George Washington Bridge started in October 1927, and it opened on October 24, 1931 . Another deck was constructed beneath the existing span in 1962 because of increasing traffic flow . </P> <P> The George Washington Bridge, an important travel corridor within the New York metropolitan area, has an upper level that carries four lanes in each direction and a lower level with three lanes in each direction, for a total of 14 lanes of travel . The speed limit on the bridge is 45 mph (72 km / h), though congestion frequently slows traffic . The bridge's upper level also carries pedestrian and bicycle traffic . Interstate 95 (I - 95) and U.S. Route 1 / 9 (US 1 / 9, composed of US 1 and US 9) cross the river via the bridge . US 46, which lies entirely within New Jersey, terminates halfway across the bridge at the state border with New York . At its eastern terminus in New York City, the bridge continues onto the Trans - Manhattan Expressway (part of I - 95, connecting to the Cross Bronx Expressway). </P> <P> The George Washington Bridge, designed by civil engineer Othmar Ammann, carries 14 lanes of traffic, seven in each direction, between Fort Lee, New Jersey, and Washington Heights, Manhattan, New York . There are eight lanes on the upper level, and six lanes on the lower level . The current upper level opened in 1931, and is 90 feet (27 m) wide . The upper level originally contained six lanes; two more lanes were added in 1946 . The lower level, which was part of the original plans for the bridge, opened in 1962 . The upper level has a vertical clearance of 14 feet (4.3 m), and all trucks and other oversize vehicles must use the upper level . Trucks are banned from the lower level, which has a clearance of 13.6 feet (4.1 m). All lanes on both levels are 8 feet 6 inches (2.59 m) wide . </P>

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