History of New Jersey of canals were built, the first of which is called the Morris Canal and ran from Phillipsburg, New Jersey, on the Delaware River to Jersey City, New Jersey, on the Hudson River. The Delaware and Raritan canal ran from New Brunswick, New Jersey, on the Raritan River, to Bordentown, New Jersey, on the Delaware River. Locomotion was also improved; Hoboken-born inventor John Stevens built a 10-ton locomotive and his son Robert L. Stevens started constructing iron railroads. By 1833, The Camden & Amboy Railroad had been completed, allowing a 7-hour passage between Philadelphia and New York City. Through the 1800s,
Boroughs of New York City River, and during the Dutch colonial era, was under the jurisdiction of New Amsterdam and known as Bergen. Jersey City and Hoboken in Hudson County, New Jersey, are sometimes referred to as the sixth borough, given their proximity and connections by rapid transit PATH trains. Fort Lee, New Jersey, in Bergen County, opposite Upper Manhattan and connected by the George Washington Bridge, has also been called the sixth borough. Miami and nearby areas in Florida, Philadelphia and China are locales entirely outside the city's metropolitan area which have been called New York City's sixth borough. Boroughs of New York City