Latest Tunnels News

HS2 investigating fire within Chiltern tunnel

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HS2 Ltd has confirmed that there was a small fire within its tunnel in the Chiltern hills, which it is now investigating.

The incident occurred on Tuesday night near the Chiltern Tunnel south portal site in Rickmansworth, just inside the M25. The fire was on the vehicle that transports workers into…

First breakthrough achieved on Lyon-Turin high-speed rail tunnel

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Excavation of the first 10.5km of the base tunnel for the Lyon-Turin rail link has been completed with breakthrough between a 9km section driven by tunnel boring machine and a 1.5km tunnel excavated mechanically.

The Tunnel Euralpin Lyon Turin (TELT) project involves construction of a 65km rail link between Susa in…

Tideway | Looking back at the construction of London’s ‘super sewer’

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Tunnelling has now been completed on Tideway, London’s 25km “super sewer” that will reduce the reliance on the capital’s Victorian sewage system, reducing overflows and slashing the amount of untreated waste entering the Thames.

The £4.2bn Thames Tideway Scheme was given planning permission in 2014 and began construction in 2016. Considering…

Tideway | Tunnelling complete on London’s ‘super sewer’

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Tunnelling on London’s ‘super sewer’ is officially complete, some four years after work begun.

The tunnel runs 25km from east to west London and at its deepest is around 70m deep. Once operational in 2025, the new super sewer will dramatically reduce sewage pollution of River Thames. The project is being…

Renewed calls for planned Stonehenge Tunnel to be made longer

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Supporters of a longer Stonehenge Tunnel are continuing to insist the alternative solution should be considered in new documents submitted to the Planning Inspectorate.

This comes in response to transport secretary Grant Shapps' request for further comments on the scheme from interested parties. In its submission to the Planning Inspectorate, the…

Lower Thames Crossing | Shortlisted tunnellers begin delivery dialogue

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Contractors vying to win the £2.3bn Lower Thames Crossing tunnelling package have been invited to begin a “dialogue” with National Highways on how to deliver the scheme.

The Invitation to Participate in Dialogue (ITPD) stage of procurement will ultimately decide how the UK’s longest road tunnel is delivered and by who.…

Objections flood in as National Highways bids to keep controversial bridge infill

Hundreds of objections have been lodged against National Highways retrospective planning application for the controversial bridge infilling at Great Musgrave, Cumbria.

More than 300 letters objecting to the infill have been lodged with Eden District Council, just three weeks since National Highways put in its planning application, according to The HRE…