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Panama Canal

Waterway in Panama
The Panama Canal is an artificial 82-kilometer waterway in Panama that connects the Atlantic Ocean with the Pacific Ocean, cutting across the Isthmus of Panama, and is a conduit for maritime trade. Wikipedia
Construction started: May 4, 1904
Opening: August 15, 1914
Coordinates: 9°7′12″N 79°45′0″W / 9.12000°N 79.75000°W
Date extended: 26 June 2016
Length: 82 km (51 miles)
Locks: 3 locks up, 3 down per transit; all three lanes; (3 lanes of locks)