What is the waterway built across narrowest part of central America?

The waterway built across the narrowest part of Central America is the Panama Canal. It is an 82 km (51 mile) ship canal in Panama that connects the Atlantic Ocean with the Pacific Ocean. The canal cuts through the Isthmus of Panama and is a major shipping route between the two oceans. The Panama Canal was constructed between 1904 and 1914 and is considered one of the greatest engineering feats in history.