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A tunnel carrying a road under a river or through a hill or other obstruction.


Related Terms

Term Note
AIR SHAFT An artificial ventilation shaft.
ROAD A way between different places, used by horses, travellers on foot and vehicles.
ROAD BRIDGE A bridge carrying a road over land or water.
TUNNEL An artificial underground channel. Use specific type where known.
UNDERPASS A section of road that provides a passage beneath another road or railway.
VENTILATION SHAFT A shaft designed to allow for the adequate circulation of air through an underground structure. Linked Data resource