Civil Engineering Reference
In-Depth Information
Figure 2.1
Charles Wyatt's immersed tunnel proposals. (Courtesy of Institution of Civil
Engi neers Library.)
century that used the immersed tunnel idea. These included further pro-
posals for crossing the English Channel by French engineers, but they were
not progressed due to continued national security concerns. There were
also a number of immersed tunnels proposed on railway projects in vari-
ous western European countries. At the same time, ideas were beginning
to emerge in the United States. However, the next attempt at construction
was back in the United Kingdom, when a new immersed tunnel beneath the
Thames in London was proposed in 1865 for the Waterloo and Whitehall
