The Port Authority Trans-Hudson, commonly called PATH, is a rapid transit railroad serving Newark, Harrison, Hoboken, and Jersey City in metropolitan northern New Jersey, as well as lower and midtown Manhattan in New York City. The PATH is operated by, and named after, the Port Authority of New York and New Jersey. PATH trains run 24 hours a day and 7 days a week.The system has a route length of 13.8 miles (22.2 km), not including any route overlap.