crossrail

They have been used to drill the Silvertown Tunnel, Crossrail, the Power Tunnels in north London and the Thames Tideway or super sewer as well as the Channel Tunnel.

The development of Cardiff Crossrail, a new tramway initially connecting Cardiff Bay with Cardiff Central station, is also under way with the first stage expected to be completed by 2028.

An independent review of the project by a former chief executive of Crossrail, James Stewart, has also been commissioned.

The Elizabeth line was formerly known as Crossrail before being renamed after Queen Elizabeth II.

While it has its origins in the Industrial Revolution, the facility most recently supplied the fleet of 70 trains for the Elizabeth Line on London's Crossrail network.