Buffalo, New York. The full length (363 miles) was completed October 25, 1825. It became known to some as 'Clinton's Ditch' in honor of Governor DeWitt Clinton (its major proponent). The Erie canal allowed goods to be shipped from NYC to Buffalo in four days, a substantial time savings.
The Erie Canal allowed transportation between the Atlantic Ocean and Lake Erie.
The Panama Canal
The Suez Canal.
1869
There is no single canal that ever linked London and Liverpool. But it was (and is) possible to travel by canal between these two cities by using a combination of canals.
Panama Canal
yes!
It meant that ships would no longer have to travel all the way around Africa to get from Europe to Asia.
The Panama Canal
Greatly reduced travel time between the Atlantic and Pacific Oceans
It tremendously reduced the travel time between the Atlantic and the Pacific Oceans.
The Canal of Suez