Britain’s biggest tunnel-boring machine starts work on Bolton railway upgrade

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At 9m in diameter at its cutter head, Fillie the Farnworth tunnel boring machine is bigger than the machines used to build London’s Crossrail (7.1m), the Thames Tideway ‘super sewer’ (8m) and even the Channel Tunnel (8.8m).

Secretary of State for Transport, Patrick McLoughlin, visted the site on 11 August to see first-hand how the tunnel is being constructed and find out more about the benefits it will deliver.

The reconstruction of Farnworth tunnel is an important stepping stone towards creating an electrified railway between Manchester and Preston and is part of over £1bn of investment by Network Rail to improve rail services across the north; electrifying key routes, creating new rail links, improving stations and journeys.

READ MORE: Britain’s biggest tunnel-boring machine starts work on Bolton railway upgrade

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