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Press release -HS2 celebrates historic first tunnelling breakthrough

Press release -HS2 celebrates historic first tunnelling breakthrough

HS2 Ltd is today [Tuesday 26 July] celebrating the very first tunnelling breakthrough on Europe’s largest infrastructure project. A 2,000-tonne TBM named ‘Dorothy’ – after ... More Information

HS2 offers tunnelling career trial in Warwickshire

HS2 offers tunnelling career trial in Warwickshire

Press release - HS2’s construction partner, Balfour Beatty VINCI (BBV), is offering the chance to trial a new career working on the giant tunnelling machines that will bore beneath the ground ... More Information

Bramble, the first mini HS2 TBM

The site at Wormwood Scrubs is where HS2 will relocate the Stamford Brook Sewer and some utility services currently running under Old Oak Common Lane. This needs to be done in order to construct the ... More Information

Progress at HS2’s Victoria Road site as base slab is completed

Progress at HS2’s Victoria Road site as base slab is completed

HS2’s Main Works Contractor, Skanska Costain STRABAG joint venture, SCS JV, have taken a major step forward in their work at the Victoria Road Site in Acton, completing the base slab ... More Information

HS2 reveals noise-cancelling Chiltern Tunnel north portal design

HS2 reveals noise-cancelling Chiltern Tunnel north portal design

Press release - HS2 has revealed the designs for the north portal of the Chiltern Tunnel, which has been specially designed to cut noise from trains entering and exiting the project's longest tunnel ... More Information

HS2 tunnelling machines reach Chalfont St Peter ventilation shaft

HS2 tunnelling machines reach Chalfont St Peter ventilation shaft

Press release - HS2 this week confirmed that the two enormous 2,000 tonne tunnelling machines digging the high speed rail project’s tunnels under the Chilterns have completed the first stage, ... More Information

HS2 reveals images of first landscaped ‘green tunnels’ for Bucks and Northants

HS2 reveals images of first landscaped ‘green tunnels’ for Bucks and Northants

Press release - New images showing the green tunnel at Greatworth, Northamptonshire, with similar designs planned for Wendover and Chipping Warden Modular design set to cut embedded carbon in ... More Information

Everything I learned in a morning hiding in a tunnel under the Chilterns – by Jonn Elledge

Hi Jonn – I hope you’re well. This is just a quick note to see if you would be interested in a guided tour of one of HS2’s first two tunnelling machines (TBMs)... They are ... More Information

HS2’s London Tunnels programme nears launch date as first TBM’s arrive

HS2’s London Tunnels programme nears launch date as first TBM’s arrive

Press release - The start of tunnelling for HS2 in London is set to begin in 2022 and progress has been made with the delivery of two giant Earth Pressure Balance Tunnel Boring Machines (TBMs) to ... More Information

HS2 Launches First Midlands Giant Tunnelling Machine

HS2 Launches First Midlands Giant Tunnelling Machine

Press release - Yesterday [2 December] HS2 CEO Mark Thurston pushed the button to start HS2’s tunnel boring machine on its one-mile journey under Long Itchington Wood in Warwickshire, marking ... More Information

Progress at HS2 Superhub station Old Oak Common as construction of main station box begins

Press release - Work to construct the 850m-long station box at HS2’s Old Oak Common station began last month as concrete frame and substructure specialist, Expanded, started on site. Expanded ... More Information

TBM cutterheads arrive at the HS2 West Ruislip portal

TBM cutterheads arrive at the HS2 West Ruislip portal

In West Ruislip, HS2 is preparing the way for the TBMs that will dig  the high speed rail tunnels under West London. The giant cutterheads - part of the first pair of TBMs that will dig  ... More Information

Final week to register for HS2’s biggest ever supply chain event

With just two weeks to go until its biggest ever ‘Meet the Contractor’ event launches, High Speed Two (HS2) Ltd is making a final call for UK businesses to register their ... More Information

HS2’s first Midlands tunnelling machine name unveiled

HS2’s first Midlands tunnelling machine name unveiled

The name of HS2’s first TBM on the northern section of Phase One has been unveiled. During a ceremony on the construction site, which is managed by HS2 joint venture Balfour Beatty VINCI, the ... More Information

Tunnel Skills - Tunnel Vision

TunnelSkills – the national specialist training forum for the UK tunnelling industry – specialises in the application of immersive learning and new technology to improve training, ... More Information

Press release - Tunnel progress as HS2 completes first mile under the Chilterns

The first enormous 2,000 tonne tunnelling machine passed the one mile mark this week during the construction of the first tunnels for HS2 - Britain’s new high speed rail link between London, ... More Information

hyperTunnel – tunnelling reimagined

hyperTunnel – tunnelling reimagined

Innovation born out of necessity: the launch of hyperTunnel will see tunnels built completely differently in future, for huge global societal benefit. hyperTunnel is a new British tunnelling ... More Information

Shortlist for Washwood Heath train depot and network control centre

HS2 Ltd confirmed the shortlist of bidders in the running to build the high speed rail project’s network control centre and rolling stock maintenance depot. The contract – worth an ... More Information

Excavation begins for HS2’s first ‘barn design’ tunnel vent shaft

Excavation begins for HS2’s first ‘barn design’ tunnel vent shaft

Following the launch of HS2's first two giant TBMs, engineers working on Britain’s new high-speed railway have now begun excavating the first of five shafts that will provide ventilation ... More Information

Press release - Momentum builds as HS2 launches second giant tunnelling machine

Press release - Momentum builds as HS2 launches second giant tunnelling machine

HS2 this week launched ‘Cecilia’ - the second of two enormous 2,000 tonne tunnelling machines that will excavate the ten mile long tunnels beneath the Chiltern hills just outside London. ... More Information

HS2 launches national vote to name Warwickshire TBM

On the 09/06/2021 HS2 launched a national vote to name their third TBM – weight 2,000 t and diameter 10 m - that will dig a one-mile twin bore tunnel under Long Itchington Wood in ... More Information

HS2 launches webinar series to help Britain’s SMEs bid for work on the project

HS2 Ltd has announced a series of webinars, every Wednesday for 6 weeks until Wednesday 14th July, to ensure British businesses benefit from over 400,000 contract opportunities that building ... More Information

HS2 launches TBM Florence the first of 10 TBMs to dig underneath the Chilterns

HS2 launches TBM Florence the first of 10 TBMs to dig underneath the Chilterns

On 13/05/2021 HS2 Ltd launched the 2,000 t TBM Florence from HS2’s South Portal site next to the M25 in Buckinghamshire. It’s the first of 10  TBMs that will collectively dig ... More Information

EIA required for the planned Bromford Tunnel extension on HS2 railway

HS2 is developing a more detailed design for Phase One of the HS2 railway, following the appointment of its main works contractors. The design process is helping HS2 plan and prepare for the ... More Information

HS2 casts first of 112,000 Chiltern tunnel wall segments ahead of TBM launch

HS2 casts first of 112,000 Chiltern tunnel wall segments ahead of TBM launch

Preparations for the launch of HS2’s first giant TBM ramped up last week. The first of 112,000 segments for the Chiltern tunnel lining rolled off a purpose-built production line. The temporary ... More Information

The Long Itchington TBM naming competition has been launched

At the beginning of March HS2 Ltd launched a competition for residents of the Warwickshire area and for schools to help find a name for the TBM that will start excavating under Long Itchington Wood ... More Information

Long Itchington Wood tunnel HS2 update

Long Itchington Wood tunnel HS2  update

Collins Earthworks has completed excavating the north portal site of  the twin tube Long Itchington Wood tunnel (1.61 km/1mile length, 9-10 m diameter) , ready for the launch of the TBM that ... More Information

HS2 accelerates north as MPs give go-ahead to next phase to Crewe

HS2 accelerates north as MPs give go-ahead to next phase to Crewe

Parliament continues to show very strong support for HS2, as the Bill for the extension from the West Midlands to Crewe – Phase 2A – is given Royal ... More Information

Press release - HS2 shortlists Track Systems and Tunnel and Lineside M&E suppliers

Press release - HS2 shortlists Track Systems and Tunnel and Lineside M&E suppliers

HS2 today shortlisted bidders for its Track Systems and for Tunnel and Lineside Mechanical and Electrical (M&E) systems. The winning organisations will go on to deliver around 280km of ... More Information

Press Release - HS2’s first giant tunnelling machines arrive in the UK

Press Release - HS2’s first giant tunnelling machines arrive in the UK

HS2’s first two giant Tunnel Boring Machines (TBMs) have arrived in the UK and will be ready to start work on the UK’s largest infrastructure project early next year. The two ... More Information

4-day HS2 Ltd virtual event for contract opportunities begins

HS2 Ltd, the company delivering Britain’s new high speed railway, kicked off a four-day event yesterday that will showcase many of the EUR13.49 bn (GBP12bn) worth of contract opportunities. ... More Information

HS2 launches first virtual ‘Meet the Contractor’ event

Registrations now open for over 1,000 one-to-one meetings with HS2 contractors.  HS2 Ltd’s third annual ‘Meet the Contractor’ event takes place between 23rd-26th November ... More Information

Designs for HS2 Canterbury Works vent shaft and headhouse revealed

On 27/10/2020 HS2 revealed updated designs for the Canterbury Works vent shaft headhouse and compound, in South Kilburn, London.  It will be one of four structures that will be built to provide ... More Information

Press release - HS2 awards contract for first two London tunnelling machines

Press release - HS2 awards contract for first two London tunnelling machines

Press release - HS2 awards contract for first two London tunnelling machines This month the contract for the first two giant tunnel boring machines for London’s HS2 tunnels was signed with ... More Information

Chiltern tunnel project updates

Chiltern tunnel project updates

HS2 has revealed the design for the Amersham vent shaft headhouse which is a design for one of 5 structures that will be built to provide ventilation and emergency access to the high-speed rail ... More Information

The HS2 Tunnel Boring Machines (TBMs)– Press release

The TBMs will excavate tunnels, reducing the environmental impacts in rural areas. What is HS2? HS2 is a state-of-the-art, high-speed line critical for the UK’s low-carbon transport ... More Information

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Tunnelling News

Procurement kicks off for Norway ship tunnel main contract

The Norwegian Coastal Administration has put out a tender for the £247M main construction contract for the Stad ship tunnel... More Information

The $20-Trillion Tunnel That Could Link New York and London

With the two global cities being over 3,000 miles apart, construction would take several years—the 23.5-mile Channel Tunnel linking .. More Information

HS2 reveals two giant tunnelling machines preparing to dig Euston Tunnel

Engineers have started assembling two massive tunnelling machines that will excavate the final 4.5 miles of underground high-speed railway, connecting HS2 di... More Information

Around 75 tunnel projects worth Rs 49K cr under construction in India

Around 75 tunnel NHAI projects entailing investment of Rs 49,000 crore are under construction in the country, Union Minister Nitin Gadkari said. More Information

Spain to study seismic risks for Gibraltar tunnel project linking Morocco

Spain's Ministry of Transport and Sustainable Mobility is moving forward with a seismic study for the proposed tunnel that would link Morocco and ... More Information

Excavation Progresses for the Ontario Line Project

A 16-meter-deep launch shaft marks the starting point for two tunnel boring machines (TBMs) set to create twin tunnels extending approximately 6 ... More Information

Record-breaking open-type TBM rolls off production line

An open-type rock tunnel ... tunnel diameters and numerous fault zones. The project faces multiple construction challenges, including rock bursts and ... More Information

State builders speed up undersea tunnel work

The tunnel will be 17.48 kilometers long, marking a new milestone in China's construction prowess, said Liu Aiwu, CREC4 project manager of the No ... More Information

Spain - Awarded contract for  improving energy efficiency in Pilar de la Horadada tunnel

The company San Jose SA from Tres Cantos (Spain) secured the EUR2.93 million contract, excluding VAT, for compliance with Royal Decree 635/2006 and for improving energy efficiency ... More Information

East West Rail between Bedford and Cambridge to include new tunnels

15 November, 2024 By Thames Menteth Revised proposals for the East West Rail scheme’s section between Bedford and Cambridge include a new section of railway, as well as new stations and ... More Information

Amtrak's $1.6B East River Tunnel Rehab Work Contractors Get Notice to Proceed

Amtrak's $1.6-billion East River Tunnel Rehabilitation Project in New York is advancing after construction manager STV Inc./Naik Consulting Group ... More Information

Tunnel Boring Machine for National Grid's VIP project in Eryri set to arrive in North Wales

National Grid is reaching a major milestone on the Eryri Visual Impact Provision (VIP) scheme with the arrival of its Tunnel Boring Machine (TBM) to ... More Information

Tunnel boring machine hits major milestone on Snowy 2.0 project

The Snowy 2.0 pumped-hydro megaproject recently marked a significant milestone, with one of three tunnel boring machines (TBM), Lady Eileen Hudson ... More Information

Morocco-Spain Underwater Tunnel Plans Move Forward with Renewed Focus

Discover the ambitious Morocco-Spain Underwater Tunnel project, set to connect continents in under 30 minutes and revolutionize travel between ... More Information

Alaska Transportation Department to spend $1 million on Knik Arm tunnel study

The results of the feasibility study will give us a better picture of how the project could be constructed, potential costs, and financing options,” ... More Information

Extra tunnels included in £6bn East West Rail scheme

Bowing to pressure to reduce the project's environmental impact two tunnels are now proposed for the new stretch of railway in Cambridgeshire. Design ... More Information

Balfour Beatty VINCI reaches halfway point on key HS2 'green tunnel'

As well as Burton Green, green tunnels will be constructed at Copthall in Hillingdon, Wendover in Buckinghamshire and Chipping Warden and Greatworth, ... More Information

Webuild-led consortium confirmed for US$1.1 billion tunnelling work

Webuild-led consortium confirmed for US$1.1 billion tunnelling work (US$1.1 billion) tunnelling package on the Suburban Rail Loop (SRL) East public transport project to a consortium of ... More Information

Balfour Beatty snares $746M I-35 rebuild in Texas

The London-based contractor will reconstruct 2.5 miles of the highway through downtown Austin and build a link to the future light rail line. AECOM-Jacobs JV signs on to $6B Amtrak tunnel ... More Information

Metro Vancouver digs water tunnel designed to withstand 'the big one' under Fraser River

Crews have begun construction on a new $450-million water supply tunnel between New Westminster and Surrey designed to withstand a major earthquake. More Information

Longest tunnel in Poland begins construction

The project, managed by the Polish company Budimex and Turkish Gülermak, includes 10 viaducts and 12 bridges. This unprecedented investment will ... More Information

Watercare Passes Key Milestone On $300M Programme To Improve Wastewater Services

Watercare and McConnell Dowell celebrate Piper's final breakthrough. On Sunday (subs note: November 10), Piper – a tunnel-boring machine – completed ... More Information

Tutor Perini Scores Contracts

The tunnel project includes the construction of two new shafts connecting to the surface and the use of a tunnel boring machine. The completed ... More Information

Bengaluru Metro completes tunnelling for longest underground line

The final breakthrough came from Bhadra, the last Tunnel Boring Machine (TBM) deployed, which completed a 937-meter stretch from K G Halli to Nagawara ... More Information

Eastern Freeway Upgrade preferred bidders confirmed

Tunnel boring is currently underway on the North East Link project, with machines currently digging under Yallambie. Federal Minister for ... More Information

Bengaluru civic body completes DPR for 18-km underground tunnel road network

Designed to ease Bengaluru's notorious traffic congestions, the project will deploy six massive Tunnel Boring Machines (TBMs) with a diameter of 14.7 ... More Information

Frontier-Kemper Awarded $1.1 Billion Kensico-Eastview Connection Tunnel Project

Frontier-Kemper Awarded $1.1 Billion Kensico-Eastview Connection Tunnel Project for New York City Department of Environmental Protection... More Information

Assam's first underwater tunnel: CM Himanta Biswa Sarma says DPR nears completion

Assam Chief Minister Himanta Biswa Sarma announced that the Detailed Project Report (DPR) for the Gohpur-Numaligarh tunnel project is almost ... More Information

The Tunnel Vision: A look at California's $20B plan to solve to the state's water crisis

Minassian describes the process, locations and implications of the operation using four tunnel boring machines. READ STORY | HEAR PODCAST. PART 3 ... More Information

Ruby deployed for final Metro West tunnel beneath Sydney Harbour

Tunnel boring machine (TBM) Ruby has begun carving out the final section of tunnel for the Sydney Metro West project. More Information

Photos: Inside the $250 Million Tunnel Being Constructed Under Columbus

Located at an average depth of 50 feet underground, the 12-foot-diameter tunnel has been under construction since early 2021. By the time it is ... More Information

Tideway: £4.5bn ‘super sewer’ begins to protect Thames as first 4 sites activated

The Thames Tideway Tunnel has commenced operation as the first four of 21 sites have been switched on. This means that, after eight years of construction, the 25km £4.5bn “super sewer” has ... More Information

Lowest bidder emerges for Dubai Metro Blue line

Dubai’s Roads & Transport Authority (RTA) opened bids from contractors for the contract to design and build Dubai Metro’s Blue Line on 8 October. The group of China Tiesiju Civil ... More Information

Sanya River estuary passage project makes steady progress

A drone photo shows the construction site of the Sanya River estuary passage project in Sanya, south China's Hainan Province, Oct. 12, 2024. The Sanya River estuary passage project ... More Information

Mumbai Metro 3: Breaking Ground, Defying Odds

Two tunnels for the 33.5-km corridor (Colaba to Aarey), totalling 55 km, were carved out, using 17 Tunnel Boring Machines (TBMs). Certain sections ... More Information

VIDEO: Drone fly through inside new HRBT tunnel

We can't fly you to the moon, but we can fly you through the new #HRBTExpansion tunnel. Drone video gives you a quick glimpse into the... More Information

Skanska receives Innovate UK funding to accelerate decarbonisation of concrete

Our Skanska Costain STRABAG JV has secured funding to trial repurposed London Clay as a low carbon alternative to cement... More Information

Longest Tunnel in the World Entering Final Phase Underneath Newburgh

Repair Plans for the Delaware Aqueduct in Wawarsing and Newburgh, NY. The plan for repairs involved the construction of a 2.5 mile bypass tunnel ... More Information

Two TBM's break through

Two TBM's break through. Joshua Farrell ... tunnelling segments to line the new tunnel walls. Work inside the ... More Information