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

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

NFM EPB for Bucharest metro

NFM Technologies has recently added the supply of another TBM to the entrepreneur Astaldi to its list of orders. More Information

Five Crossrail TBMs underway

Five Crossrail TBMs underway

On 09.01.2013 Sophia, Crossrail’s fifth TBM, began the drive from Plumstead to North Woolwich which will carry London’s new rail link under the River Thames. More Information

CKR project in Hong Kong

CKR project in Hong Kong

The second phase of public engagement activities for the proposed Central Kowloon Route (CKR) in Hong Kong commenced on 05.12.2012: More Information

Tunnelling News

Tunnel Boring Machine Market Size estimated at USD 7.08 Billion

The Tunnel Boring Machine (TBM) market is experiencing significant growth, driven by increasing urbanization, infrastructure development, ... More Information

Completing the First Section of Line 3: Tunnel Boring Machine Roars as it Emerges at Balboa

The Panama tunnel boring machine emerged and completed its first major task: the first section of the Line 3 Metro tunnel. More Information

Twin tunnel-boring titans prepare to dig new road under Sydney Harbour

Twin tunnel-boring titans are preparing to launch under Sydney Harbour to dig out a new road crossing from Birchgrove to Waverton... More Information

Monica Breaks Ground on Snowy 2.0

Monica the tunnel boring machine, with the renewable energy mega-project now more. TBM Monica is among the world's most advanced tunnel boring machines... More Information

Snowy 2.0 sets new tunnel boring machine to work, completes 46 underground concrete pours

Snowy 2.0 has set to work a fourth tunnel boring machine, a $75 million piece of drilling equipment purpose built to complete excavation of the huge pumped hydro project’s “geologically ... More Information

World's 'largest' underground assembly of tunnelling machines happening beneath Sydney

Workers are craning into place about 167 major pieces that will form the first of two giant boring machines. Once assembled like giant Meccano sets, ... More Information

Tunneling Begins on Major Water Pipeline for South Hillsborough

TAMPA, Fla. — Tampa Bay Water has begun construction on a major underground pipeline project aimed at meeting rising water demand in southern Hillsborough County, where population growth ... More Information

The massive £3billion tunnel designed to connect two continents under the sea

The construction of a huge underwater multi-tiered tunnel is underway in Turkey, that will create a direct route from Asia to Europe - and is expected to carry 1.3 million passengers a ... More Information

Riederwald Tunnel in Frankfurt is further delayed

Traffic was supposed to start flowing through the controversial Riederwald Tunnel in Frankfurt in 2033. But that's unlikely to happen. The €1.5 billion project is facing further delays – ... More Information

What happens to our metro tunnel boring machines when they hit the end of the line?

These mechanical behemoths were Betty and Dorothy, the tunnel boring machines tasked with digging the Sydney Metro West tunnels. Loading. The ... More Information

The incredible £2.8bn underwater tunnel connecting Europe and Asia

A huge new tunnel will connect Europe and Asia - and construction has already started. The Great Istanbul Tunnel is a major project. It will carry ... More Information

China develops "smart brain" for tunnel boring machines to boost underground construction

A team from Hunan University in central China has collaboratively developed an intelligent operating system for tunnel boring machines, giving these massive underground giants a "smart ... More Information

How China rescued highway project under Yangtze River

The incident occurred in February 2023 during construction of the 6.4-kilometer Jiangyin–Jingjiang Yangtze River Tunnel. Midway through excavation, at ... More Information

HS2 final tunnel drive to Euston starts next week

A team from SCS will drive a 4.5-mile twin-bore tunnel linking Old Oak Common to Euston using two tunnel boring machines, Karen and Madeleine. More Information

Work begins on £48M Knutsford sewer upgrade featuring 1.8km stormwater tunnel

Sean Reid, United Utilities county business lead for wastewater in Cheshire said: “This project highlights our ongoing commitment to improving water ... More Information

$14.6M boost moves Gering–Fort Laramie Canal Tunnel project forward

After nearly six years of planning, construction is moving forward on the Gering–Fort Laramie Canal tunnels... More Information

Webuild: second breakthrough at Trebisacce Tunnel along Jonica State Road 106

Project will help transform Jonica State Road 106 into a strategic corridor linking Ionian coasts of Calabria, Basilicata and Puglia... More Information

Ground preparation for Lower Thames Crossing tunnelling

Work is ongoing to overcome sub-optimal ground conditions in preparation for the start of tunnelling on the Lower Thames Crossing in late 2028, according to the project’s tunnels director... More Information

LA Metro approves massive $25B underground rail line to bypass 405 Freeway

The LA Metro Board unanimously approved an underground heavy rail line to connect the San Fernando Valley and the Westside, bypassing the congested 405 Freeway. The nearly 13-mile route, ... More Information

TUNNEL VISION Mega £7.4bn undersea tunnel connecting two CONTINENTS just got one step closer

A MAJOR £7.4 billion underwater tunnel connecting two continents has taken a step closer to construction. Experts have said the 24-mile tunnel is “technically viable”, paving the way for ... More Information

TBM breakthrough in Sydney

Tunnel boring machine (TBM) Jane Starkey successfully completed her 1.2km underground journey through challenging Sydney sandstone... More Information

Hochul announces $25 million for Harlem crosstown subway tunnel design

At E. 120th St., a pair of tunnel-boring machines — currently under construction in Germany — will bore new, 8,400-foot tunnels north from the end ... More Information

Tunnelling under the Yarra River

Our two Tunnel Boring Machines (TBMs) will soon be travelling underneath the Yarra River... Approximately 300 metres of the 6.5 kilometre North East Link will be under the Yarra ... More Information

The Boring Company says its tunneling machine is 'ready to mine in Nashville'

The Music City Loop project is aimed at transporting people from Nashville International Airport to Lower Broadway in roughly 10 minutes. By Li ... More Information

Norway Is Building the World's Longest and Deepest Tunnel Beneath the Sea

The Rogfast project, short for Rogaland Fixed Link, is an underwater road tunnel being built beneath Norway's fjords as part of the E39 coastal ... More Information

Future engineers become 'TBM Captains' for Suburban Rail Loop

Tunnel Boring Machines (TBMs) that will begin work this year. The tour of the eastern tunnel entrance was part of a long-term initiative, with ... More Information

Image gallery: Civil works completed on HS2's longest tunnel

Main construction on the Buckinghamshire structure began in May 2021 with the launch of two 2,000-tonne tunnel boring machines (TBMs), named Florence ... More Information

The Boring Company Launches Free Tunnel Contest: AI Applications for Smart Infrastructure

According to Sawyer Merritt on Twitter, The Boring Company has announced a contest to build a one-mile tunnel for free, inviting proposals for ... More Information

Out of sight: spectacular HS2 tunnels offer glimmer of hope for stalling project

Despite much soul-searching over UK’s inability to build infrastructure, two sections of HS2 under Chilterns are being hailed for their engineering... More Information

HS2 January 2026 update

We’re making progress building the main infrastructure for the new line. We’ve completed 80% of tunnelling and are working on major bridges, viaducts and embankments, and HS2’s new ... More Information

Implenia Secures EUR 350 Mln Projects For Bridges, Tunnel Works In Germany

Tunnel to join motorway sections and connecting roads. The Swiss construction and real estate company said the Peene Bridge project in Wolgast, ... More Information

Incredible new $7.9bn mega rail and road tunnel to be the world's longest

The safety of our workers is of utmost importance during the construction of the Fehmarn Belt Tunnel. We will await the findings of the ... More Information

TBM launch from Rukanpura soon as metro work gains pace

The tunnel boring machine (TBM) for the underground network is likely to be launched from Rukanpura on Bailey Road, which falls under Corridor I ... More Information

World's largest-diameter boring machine used for Yangtze River railway tunnel

China's domestically developed, world's largest-diameter vertical shaft boring machine 'Qiming' was officially put into operation in Taicang City ... More Information

HCMC approves sea-crossing route with undersea tunnel between Can Gio and Vung Tau

Ho Chi Minh City has approved a strategic proposal by Vingroup to construct a direct sea-crossing road connecting the Can Gio coastal urban area with Vung Tau beach town, cutting travel ... More Information

Changi Airport’s new underground link to take passengers from future T5 to T2 in 4 minutes

SINGAPORE – Passengers at the future Changi Airport Terminal 5 can expect to reach Terminal 2 in four minutes via the airport’s new underground link... More Information

SRL inspires TBM Captains - Victoria's Big Build

Tunnel Boring Machine (TBM) Captains. When SRL East opens in 2035 ... Construction of SRL East is powering ahead, with more than 3000 people ... More Information

Beneath winter's fjords: 17 miles of rock, 1300 ft deep

Rogfast tunnel construction beneath Norway's winter fjords, 17 miles long and 1,300 feet deep,. Credits: Ground Engineering. For years, the E39 ... More Information

Massive Sinkhole Opens Near $26 Billion Tunnel Project in Melbourne

A massive sinkhole has suddenly opened up in Melbourne near a major highway tunnel construction site, sparking safety fears and halting ... More Information