Description of the works: Manufacturing and prefabrication of tunnel segments weighing between 1.5 and 6.5 tons per piece.

Main characteristics:

The largest investment in rail infrastructure undertaken in northern England, with 250 miles of new planned high-speed lines, located along the London–Birmingham corridor.

Contract C2 covers the section between the Chiltern Tunnel and Brackley, while Contract C3 covers the section at the Brackley Green Tunnel.

The project is carried out under the highest quality and safety standards.