The Erie Canal was completed in New York State in 1825.
The canal connected the Hudson River at Albany with Lake Erie at Buffalo, creating a navigable route from the Atlantic coast to the Great Lakes. Construction began in 1817 under Governor DeWitt Clinton, who strongly promoted the project.
The original canal was about 363 miles long and crossed the Appalachian Plateau through a system of locks. Critics had called it “Clinton’s Ditch,” but its completion proved the value of large public infrastructure projects.
The Erie Canal reduced shipping costs and travel times between eastern ports and the interior. It helped New York City become a major commercial center and encouraged settlement and economic growth across the Great Lakes region.