70% of rail tunnels are built for London's Crossrail

02/4/2014 | ConstructionEnquirer.com (U.K.)

Crews have constructed 70% of the tunnels for the Crossrail project in London, and some of the eight tunnel-boring machines have completed their tunneling work. This article includes several photos that show the progress of the project, including the TBMs' breakthroughs. The western tunnels have been lined with 72,000 precast concrete segments. "The next major element of the Crossrail program will now begin with the fit-out of our tunnels and stations," said Andrew Wolstenholme, Crossrail chief executive.

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