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Tunnel

Tunnel

A tunnel is an underground passageway, dug through the surrounding soil/earth/rock and enclosed except for entrance and exit, commonly at each e…

Toll road

Toll road

A toll road, also known as a turnpike or tollway or toll plaza, is a public or private road (almost always a controlled-access highway in the pr…

Dead end

Dead end

A dead end, also known as a cul-de-sac, no through road or no exit road, is a street with only one inlet or outlet. Dead ends are created in urb…

Barriers

Barriers

A barrier is a closing mechanism that serves to control the use of a passage or access. Other names that are used are barrier, lever and barel. …

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