Transportation in New York City City and Fort Lee, New Jersey, is the world's busiest bridge in terms of vehicular traffic. New York has historically been a pioneer in tunnel construction. Most carry rail lines, but there are four exceptions. The Lincoln Tunnel, which carries 120,000 vehicles per day under the Hudson River between New Jersey and Manhattan, is the world's busiest vehicular tunnel. The Holland Tunnel, also under the Hudson River, was the first mechanically ventilated vehicular tunnel in the world and is considered a National Civil Engineering Landmark by the American Society of Civil Engineers. Two other notable tunnels connect Manhattan to other
Union City, New Jersey are U.S. Route 1/9, Route 3, and the New Jersey Turnpike. , the city had a total of of roadways, of which were maintained by the municipality, by Hudson County and by the New Jersey Department of Transportation and by the New Jersey Turnpike Authority. The Bergenline Avenue station of the Hudson-Bergen Light Rail is located at 49th Street near the city line with West New York and North Bergen. New Jersey Transit bus service transportation is available to points in Hudson, Bergen, and Passaic counties and to the Port Authority Bus Terminal in Midtown Manhattan. Routes which stop in