Tunnel
id:
tunnel-183-17390571
title:
Tunnel
text:
A tunnel is an underground or undersea passageway. It is dug through surrounding soil, earth or rock, or laid under water, and is usually completely enclosed except for the two portals common at each end, though there may be access and ventilation openings at various points along the length. A pipeline differs significantly from a tunnel, though some recent tunnels have used immersed tube construction techniques rather than traditional tunnel boring methods. A tunnel may be for foot or vehicular
brand slug:
wiki
category slug:
encyclopedia
description:
Underground passage made for traffic
original url:
https://en.wikipedia.org/wiki/Tunnel
date created:
2002-12-23T00:13:31Z
date modified:
2024-09-07T01:44:21Z
main entity:
{"identifier":"Q44377","url":"https://www.wikidata.org/entity/Q44377"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/c/c1/Signalisation_routi%C3%A8re_entr%C3%A9e_sud_tunnel_du_Galibier.jpg","width":4000,"height":3000}
fields total:
13
integrity:
16