the.com/waterway
A road that flows, where the traffic schools and the potholes are whirlpools.
means A navigable channel of water, such as a river, canal, or strait, used for travel or shipping.
from A plain marriage of Old English water and weg (way), literally the way the water goes, attested for centuries before anyone paved an alternative.
Cargo championMoves freight cheaper per ton than rail or truck.
Manmade rivalsSuez and Panama canals reshaped global trade routes.
Legal weightNavigability often decides who owns the riverbed.