Tunnelbuilder Promoting the world's tunnelling industry to a huge qualified audience

View the Spanish Tunnelbuilder website View the Italian Tunnelbuilder website

Archive - News

Featured News

Kathmandu-Hetauda Tunnel Highway

Kathmandu-Hetauda Tunnel Highway

The Nepal Ministry of Physical Planning, Works and Transport Management will sign the final agreement with the Nepal Purbadhar Bikas Company (NPBC) More Information

Last chance for ExpoTunnel deal

Last chance for ExpoTunnel deal

ExpoTunnel, scheduled for Bologna, Italy from October 17-20th, 2013 is offering favourable reservation rates until end-February on all applications received by end of business on that day More Information

Strabag and Rio Tinto in partnership

Global mining company Rio Tinto, in cooperation with TBM manufacturers, recently developed two new tunnel boring systems (TBS) and one shaft boring system (SBS). More Information

Breakthrough at El Alto hydro

Breakthrough at El Alto hydro

The main underground structures on the new El Alto hydropower plant in Chiriqui province of Panama, in the district of Renacimiento near the Costa Rica border, More Information

Tunnel fitter required

International personnel recruitment agency iPS is seeking a fitter with general knowledge of the mechanical equipment used in tunnels. More Information

CP Technology for formworks

CP Technology for formworks

Milan-based CP Technology manufactures tunnel formwork, prefabrication forms, straddle carriers, and specialized structures and equipment. More Information

Robbins Slurry TBM emerges at Zhanjiang Bay

Robbins Slurry TBM emerges at Zhanjiang Bay

After advancing up to 392 m/month, the 6.26 m-diameter Robbins Slurry TBM broke through at the end of 2012 in China’s southern-most city. More Information

ITA COSUF Award 2013

The ITA COSUF Award is granted annually to a student, young professional or researcher, less than 35 years old, who has recently completed an outstanding research work in theory and/or practice in the area of operational safety More Information

EasyClick Impredowel at Viatec

EasyClick Impredowel at Viatec

Impreservice Srl is exhibiting at Viatec in Bolzano this week 21-23 February at stand B09/26, sector AB. Samples of tunnelling accessories including connection systems, bolts and guiding rod will be on show, together with the new Impreservice patented connection system EasyClick Impredowel. More Information

Ritchie Bros auction in Italy

Ritchie Bros auction in Italy

At a large industrial equipment auction to be conducted by Ritchie Bros. Auctioneers in Caorso (PC) on 07.03.2013, a selection of more than 600 items and trucks will be sold. More Information

2013 RETC for Washington, DC

2013 RETC for Washington, DC

The 2013 Rapid Excavation & Tunneling conference and exhibition takes place June 23-26th at Marriott Wardman Park, Washington, DC. The exhibition is almost a sell-out, with more than 150 companies having booked space at this prestigious event. More Information

Acceptance test for Aurelia TBM

Acceptance test for Aurelia TBM

The 13.64 m-diameter TBM that will drive the 5.1 km-long new Aurelia bis road section from Albisola Superiore to Savona (Torrente Letimbro) in Italy is being erected in Germany for acceptance test and commissioning in mid-February. More Information

Low exhibition rates for Expotunnel

Low exhibition rates for Expotunnel

Book your exhibition space at Expotunnel in Bologna prior to 28th February, 2013 and get favourable rates! The prestigious underground technologies show takes place 17th to 20th October at Bologna Fiere More Information

CIFA and Zoomlion at Bauma 2013

CIFA and Zoomlion at Bauma 2013

Several new machines will be presented by CIFA and Zoomlion at Bauma 2013, taking place in Munich, Germany on 15th-21st April 2013. The companies are exhibiting at stand F9 905/2 in the eastern area. More Information

Robbins in Australia

Robbins in Australia

With the new office opened in Brisbane, Robbins is providing coverage for Australia, New Guinea, New Zealand, and Indonesia. It will also provide regional support for two new Robbins projects in Australia, both for use in mine development tunnels. More Information

Burnley tunnel crash findings

On 30.01.2013 the Coroners Court in Australia handed down its findings into the Burnley Tunnel deaths arising from the 2007 truck crash, fire and explosions. More Information

Fire prevention circular

The Italian Ministry of Interior and the Ministry of Infrastructure and Transport has issued circular no. 1 DIP.VVF dated 29.01.2013 which provides managers of tunnels with explanations More Information

West Metro progress

West Metro progress

The 13.9 km-long western Metro extension linking Espoo to Helsinki, will add seven new stations, located at Matinkyla, Urheilupuisto, Tapiola, Otaniemi, Keilaniemi, Koivusaari and Lauttasaari. In More Information

Final design approved by LTF

On 31.01.2013, the final design of the new Turin-Lyon high-speed railway cross-border section, approved by LTF (Lyon Turin Ferroviaire), was presented. More Information

Normet acquires Dynamic Rock Support

Normet acquires Dynamic Rock Support

Normet, with its purchase of DRS, can now offer the new generation energy-absorbent D-bolt system alongside its sprayed concrete, grouting and injection products through its international network More Information

Excavation completed on Fv 714

Construction work on three road tunnels for Fv 714 Mjones-Valslag, awarded to Kruse Smith, started in October, 2011. The job was completed on 08.01.2013 by breakthrough in the 2,601 m-long Valslag tunnel. More Information

New video from Bonar

Bonar has launched a new online video resource describing their products and the way in which they can be best used. The focus is on Adfil construction fibres, which are increasingly replacing More Information

China Tunnel Summit agenda

The agenda for the 7th China Tunnel Summit to be held in Wuxi on 7-8th March, 2013 has been published, along with the list of confirmed speakers. More Information

IPS celebrates quarter century

IPS celebrates quarter century

International recruitment agency iPS, who specialize in providing personnel to the tunnelling industry, are celebrating 25 years in the business. More Information

Semmering base tunnel preparation

Work is underway on access ramps to the portal sites of the new Semmering base tunnel in Austria. More Information

Call of papers for SIG Congress during Expotunnel

Call of papers for SIG Congress during Expotunnel

The Italian Tunnelling Society has organized the international congress Tunnelling and Underground Space in Europe Development to take place during ExpoTunnel, More Information

Senior management vacancies

International recruitment agency iPS is seeking qualified and experienced managers to fill vacancies More Information

Toronto-York Spadina update

Toronto-York Spadina update

The four Caterpillar TBMs working for the Toronto-York Spadina Subway Extension bore an average of 15 m/day. Holey and Moley are building all of the tunnels south of Finch West Station, the southern tunnels, while Yorkie and Torkie are building all of the tunnels north of Finch West Station, or the northern tunnels. More Information

Callosa de Segura starts

Callosa de Segura starts

On 29.11.2012 excavation commenced from the southern adit of the 2,050 m Callosa de Segura railway tunnel, located on the 9.8 km San Isidro-Orihuela section of the Madrid-Castilla More Information

Viatec and Brenner Congress

Viatec, the road construction and infrastructure maintenance international show, will be held in Bolzano February 21-23, 2013. More Information

High speed rail in Italy

The European Union will provide combined support of EUR10 million from the TEN-T Programme for two key rail infrastructure projects in the northern Italian region of Lombardy. More Information

ImpreService for casting accessories

ImpreService for casting accessories

Italy-based company ImpreService is committed to the design and manufacture of accessories for precast concrete segments for tunnels. More Information

Representation opportunity with Emcor

Spanish manufacturer Emcor has 30 years history in the production and supply of underground roof support equipment, including the successful Expanbol friction bolt. More Information

Important start on Cerdedelo-Prado

Towards end-November, 2012 NATM excavation started on the 52 sq m left hand tube of Cerdedelo-Prado railway tunnel on the Madrid-Galicia high speed line. More Information

Koralm tunnel TBMs start

Koralm tunnel TBMs start

Two 9.93 m-diameter Aker Wirth TBMs have started construction of the 18 km-long central section (lot KAT 2) of the 32.5 km Koralm high-speed railway tunnel between Graz and Klagenfurt. More Information

Welcome to CBE newsletter number 6

The latest CBE newsletter focuses on innovation in practice, with products such as the anchored gasket being used for segments on the Lee tunnel in London and the Blue Plains sewer project in ... More Information

Tunnelling News

Femern - inauguration of the first tunnel element

We are pleased to announce that H.M. King Frederik X will take part in the inauguration of the first tunnel element on the construction site on 17 June. H.M. King Frederik X will arrive at ... More Information


A busy first half of the year on the HOCHTIEF-MURPHY Joint Venture (HMJV) Package 5 Headhouses & M&E contract on National Grid’s LPT Phase 2... More Information

Tesla Cybertruck escorts Boring Co's Prufrock-3 tunnel boring machine

The Boring Company's Prufrock-3 tunnel boring machine (TBM) recently completed a tunnel to Giga Texas, and in true Elon Musk fashion, ... More Information

Kazakhstan’s First Automobile Tunnel and Largest Bridge to be Completed this Year

As reported by the Kazakhstan’s Ministry of Transport, Kazakhstan’s first automobile tunnel through the Shakpak Baba Pass and the country’s largest bridge over the Bukhtarma Reservoir ... More Information

HRBT Expansion Project hits big milestone, could be on track for early completion

The tunnel boring machine, known as Mary ... construction of our two new bored tunnels,” said Project Director Ryan Banas... More Information

TBMs Pass Factory Test For Lesotho Highlands Water Project

A team of engineers and tunnel experts from the Lesotho Highlands Development Authority (LHDA) together with consultants and contractors working on the Polihali transfer tunnel recently ... More Information

Royal Cargo opts for Goldhofer heavy transport equipment

It has also been in action moving tunnel boring machines (TBM) for the Metro Manila Subway project ... machine part posed a significant challenge due ... More Information

Tunnel breakthrough on NI Water's £7.8M Portadown wastewater project

The tunnel boring machine excavated roughly 1,000m3 of material, which would have risen to 8,000m3 of spoil with a more traditional open-cut method. More Information

The Boring Company announces Cybertunnel at Tesla Texas HQ

In January, the company's latest tunnel boring machine (TBM), Prufrock 3, was first spotted near Tesla's Giga Texas. Prufrock-3 has ... More Information

How do you build tunnels and bridges underwater?

Underground construction usually uses powerful tunnel-boring machines to excavate soil directly. This machine is often called a mole for a reason. More Information

Five Huge New Construction Projects Coming To The US

A spokesperson for the project told Newsweek: "The Hudson Tunnel Project is a generational investment that is expected to create 95,000 new jobs and ... More Information

Chennai Metro Corridor 3: Adyar River Tunnel Work Hampered By Geological Setbacks

For the stretch between Greenways Road and Adyar, CMRL engaged two TBMs, 'Kauvery' and 'Adyar.' These machines were launched from Greenways Road ... More Information

French and Danish firms to build Valby 'cloudburst tunnel'

The underground tunnel will be 2,380m long and will be constructed as a drilled tunnel with an internal diameter of 3.4m. The tunnel will have the ... More Information

Howard's approved budgets include $44.9M for Ellicott City tunnel

The Howard County Council has approved a $2.4 billion operating budget for fiscal 2025, along with a $413 million capital construction budget that ... More Information

DC Water Breaks Ground On Potomac River Tunnel Project

DC Water on May 21 hosted a groundbreaking ceremony to officially commence construction activities for the Potomac River Tunnel Project... More Information

Silvertown Tunnel portal connections completed

A complete transformation of the tunnel shape was needed to connect the circular tunnel boring machine (TBM) constructed ... More Information

The $4BN Tunnel to Save Stockholm - The B1M

Above: A tunnel entrance under construction. When it completes in 2030, the $4BN project will be one of the longest road tunnel systems in the world. More Information

OHLA awarded the Gjønnes tunnel in Norway for nearly 160 million euros

The Norwegian Public Roads Administration (Statens Vegvesen) has awarded the company the design and construction of the Gjønnes tunnel for 156 ... More Information

Utilities tunnel dug through 'challenging' ground conditions under River Tees

Main contractor Farrans Construction worked with specialist contractor Joseph Gallagher to construct the tunnel. During its five weeks of tunnelling ... More Information

China develops world's first boring and blasting machine

In a groundbreaking development, the world's first boring and blasting machine, jointly developed by Tsinghua University and China Railway Science and Industry Group, has successfully ... More Information

Tunnel boring machine wedged in hard rock, leaving Snowy 2.0 hydropower project with new issues

Tunnelling problems are plaguing the $12 billion Snowy 2.0 hydropower project, with a boring machine previously bogged in soft ground now wedged in ... More Information

Construction Complete On New High-Speed Rail Tunnel

Inside the completed Desheng Tunnel, and inset, a Chinese high-speed train. Work on the project is now complete. © China ... More Information

DC Water Breaks Ground on Potomac River Tunnel Project

The Project consists of a large-diameter deep sewer tunnel, diversion facilities, drop shafts, and support structures to capture flows from existing ... More Information

Morocco’s proposed $13 billion underwater tunnel to connect Europe to Africa by 2030s

An historic intercontinental rail link is aiming to link Europe to Morocco with an ambitious underwater tunnel. The Moroccan National Company for Strait Studies (SNED) announced last ... More Information

Government set to fund £1bn final HS2 London tunnel drive

The project was halted as part of Prime Minister Rishi Sunak’s £6.5bn cost-cutting plan announced last October. This involved axing phase 2 to Manchester and finding a private investor ... More Information

HS2 Project Update, May 2024

Our Victorian railways have carried us successfully through history, but with passenger numbers continuing to rise, investing in new, modern railway lines like HS2 is the key to meet the ... More Information

PM inaugurates breakthrough of Sunkoshi Marin Diversion tunnel

A breakthrough of the Sunkoshi Marin Diversion Multi-purpose Project tunnel has been made... More Information

Toronto's Eglinton Crosstown extension moves closer to tunnelling completion

The project is being delivered by Infrastructure Ontario and Metrolinx. West End Connectors was awarded the C$729M (£425M) contract to design, build ... More Information

_Fehmarnbelt tunnel program hits major milestone

DEME Group said that the Fehmarnbelt tunnel project, one of Europe's largest infrastructure projects, has achieved a significant milestone with ... More Information

The incredbile new £12bn mega-tunnel that could end traffic chaos in world famous city

Construction on the £12.63 billion mega-tunnel has already begun and it is expected to be open in 2035. · Animation for The Hudson River Tunnel project. More Information

Great Lakes Tunnel Project makes progress

Ready to move forward. Enbridge is preparing to begin tunnel construction as soon as possible, following receipt of environmental permits ... More Information

Hudson Tunnel Project is expected to create 95,000 jobs

The report is based on research done on behalf of the Gateway Development Commission. “The Hudson Tunnel Project is the most pressing infrastructure ... More Information

The $2.8BN Megaproject Dividing London

London is building a controversial new tunnel under the River Thames. Head to https://brilliant.org/TheB1M/ for a 30-day free trial + the first 200 people will receive 20% off their ... More Information

Namma Metro: Underground tunnel work on Pink Line 95% complete

This underground portion includes the ambitious task of constructing 20.992 km of twin tunnels. Progress is also underway on the construction of 18 ... More Information

How an ancient water tunnel design is cooling 21st-century streets

In Seville, 3,000-year-old underground technology is being transformed in modern day air-conditioning. An aqueduct at the unopened CartujaQanat pilot ... More Information

Frederick Douglass Tunnel Program B&P Tunnel Replacement Project

Project Description: Proposed utility and roadway relocations include civil work to support the construction of Amtrak's Frederick Douglass Tunnel. More Information

Fehmarnbelt | Purpose-built vessel arrives to line tunnel trench with gravel 'cushion'

The Fehmarnbelt Fixed Link is a new road and rail tunnel being constructed between Denmark and Germany. It will comprise 89 precast concrete ... More Information

Successful Breakthrough of Gudauri Tunnel in Georgia's North-South Corridor KK Highway Project

KAZBEGI, Georgia, April 23, 2024--The 10-kilometer LOT1 Section is constructed by China Railway Tunnel Group Co., Ltd., of which the Gudauri ... More Information

Construction of Shinku La Tunnel to bolster all-weather connectivity in Ladakh Rising Kashmir

Leh, Apr 21: Member of Parliament from Ladakh, Jamyang Tsering Namgyal, announced that work on the strategically vital Shinku La Tunnel is set to ... More Information