Of three tunnels mentioned, one is for pedestrians and one for cyclists, and work is being started on them first; work on main vehicular tunnel not being commenced until they are finished; smaller tunnels will be about 900 ft long; provision of twin escalators for use of cyclists has been adopted; in addition, elevator will be provided. (See also Engineering v 163 n 4246 June 13 1947 p 493)
Tyne tunnel
Engineer
Engineer ; 183 , n 4768
1947
Aufsatz (Zeitschrift)
Englisch
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Engineering Index Backfile | 1947
Site investigation aspects of the River Tyne Siphon Sewer Tunnel
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