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

Marche-Umbria quadrilateral scheme underway

Marche-Umbria quadrilateral scheme underwayOn 30.10.2009, Quadrilatero Marche-Umbria SpA approved the Foligno-Pontelatrave section of SS 77, which comprises 17.5 km of roadway in Umbria to ... More Information

Breakthrough in Sharjah

Breakthrough in SharjahThe twin 1.2 km-long Difah-Shis road tunnels are nearing completion, with the eastbound tube breaking through on 01.10.2009 and the second tube due to hole out in ... More Information

Normet reforms in Canada

Normet reforms in CanadaThe incorporation of Normet Canada Ltd increases to fifteen the number of countries in which Normet has a permanent presence. The new Canadian company will provide the ... More Information

Good progress on the Vitoria-Bilbao-San Sebastian high speed link

Good progress on the Vitoria-Bilbao-San Sebastian high speed linkConstruction of the 5.5 km-long Eskoriatza-Aramaio section on the Vitoria-Bilbao-San Sebastian high-speed railway, of which 3.5 km is ... More Information

Fire Protection and Safety in Tunnels

Fire Protection and Safety in TunnelsThe first Fire Protection and Safety in Tunnels conference is being held in Paris 17-18 November, 2009. The programme is designed to help attendees comply with ... More Information

O Curro tunnel excavation ended

O Curro tunnel excavation endedThe 110 sq m twin-track O Curro tunnel, at 840 m, is the longest of the eight planned tunnels on the 13.2 km Silleda (Dornelas) to Vedra-Boqueixón section of the ... More Information

Live Bids at tunnelbuilder.com!

Live Bids at tunnelbuilder.com!Live Bids is a new service provided by tunnelbuilder for readers whose interest lies in bids rather than awards or news. By clicking on the Live Bids box in the ... More Information

China - Beijing Metro Line 4 opens

China - Beijing Metro Line 4 opensBeijing metro Line 4 started trial operation on 28.09.2009. The 29 km underground line runs from Gongyixiqiao on the South Fourth Ring Road at Fengtai District, via ... More Information

Sandvik signs global agreement with BASF for MEYCO Equipment

Sandvik signs global agreement with BASF for MEYCO Equipment Sandvik Mining and Construction and BASF's unit MEYCO Equipment have signed an agreement on a global cooperation in the field of ... More Information

CAT excavator with tunnel boom boosts productivity

CAT excavator with tunnel boom boosts productivityA CAT 328D LCR compact radius excavator, the first of its type to operate in Switzerland, is at work on the A9 Autoroute project near Visp. With a ... More Information

DSI consolidates global business activities

DSI consolidates global business activitiesDYWIDAG-Systems International (DSI) is a global network of wholly-owned subsidiaries and associated companies with a key focus on developing, manufacturing ... More Information

Sandvik inaugurates largest production facility

Sandvik inaugurates largest production facility The latest and largest Sandvik production facility is located in China's Shanghai Jiading Industrial Zone, and has the capacity to manufacture most of ... More Information

American Chemical Technologies, Inc

American Chemical Technologies, IncMichigan-based American Chemical Technologies (ACT) produces a range of fire resistant and readily biodegradable hydraulic fluids formulated for use in high ... More Information

Final DTL2 civil works awards in Singapore

Final DTL2 civil works awards in SingaporeThe 40 km-long Downtown Line DTL, which is fully underground, is being built in three stages. DTL1 is targeted for completion in 2013, DTL2 in 2015, and ... More Information

NFM Technologies TBM sets record at Los Pontones

NFM Technologies TBM sets record at Los PontonesOn 24.09.2009, the 9.9 m-diameter NFM Technologies TBM completed excavation of the east tube of Los Pontones rail tunnel (5,939 m) on the 6.1 km-long ... More Information

Gotthard base tunnel excavation nearly complete

Gotthard base tunnel excavation nearly completeOf the 151.8 km of the tunnel system under the Gotthard, a total of around 137 km, or almost 91%, has now been excavated. Less than 5 km of the 57 km ... More Information

NFM Technologies EPB for Cairo Metro

NFM Technologies EPB for Cairo MetroThe second phase of the Cairo Metro Line 3, launched in parallel with the construction of the first phase, includes separate packages covering civil, ... More Information

Ampcontrol leads in electrics and electronics

Ampcontrol leads in electrics and electronicsEstablished in 1968, Ampcontrol is one of Australia's leading international suppliers of electrical and electronic products to the power and mining ... More Information

China completes Dali-Lijiang railway in Yunnan

China completes Dali-Lijiang railway in YunnanThe EUR458 million Dali-Lijiang single-track railway line opened to traffic on 28.09.2009 in southwest China's Yunnan Province. The 162.4 km-long track, ... More Information

Lovat EPBs for Toronto-York Spadina Subway Extension

Lovat EPBs for Toronto-York Spadina Subway Extension Four Lovat 6.12 m diameter RME241SE EPBs will be utilized in the construction of the 8.6 km-long Toronto-York Spadina Subway Extension, located ... More Information

SELI signs second contract with ILCI in Turkey

SELI signs second contract with ILCI in TurkeySELI has signed a new EUR15 million contract with Turkish commissioner ILCI INSAAT SANAYI VE TICARET A.S. for construction of a 17 km-long water tunnel ... More Information

Brisbane Northern Link design progress

Brisbane Northern Link design progressThe authorities in the Australian city of Brisbane will rely on loans to finance the EUR1 billion, 4.7 km-long Northern Link tunnel project under design by SKM ... More Information

InnoTek solutions for underground

InnoTek solutions for undergroundInnoTek Srl was at the recent WTC 2009 conference to present a new series of products and solutions for underground works. Five product families have been developed ... More Information

Balfour Beatty to acquire Parsons Brinckerhoff

Balfour Beatty to acquire Parsons BrinckerhoffNew York City-based engineering consultancy Parsons Brinckerhoff is recommending shareholder approval of its acquisition by London-based infrastructure ... More Information

Herrenknecht giants cross Yangtze river

Herrenknecht giants cross Yangtze riverA pair of 14.93 m-diameter Herrenknecht Mixshield TBMs have each successfully completed 3 km of tunnelling beneath the Yangtze river at Nanjing in Jiangsu, ... More Information

New section of Sofia metro Line 1 opens

New section of Sofia metro Line 1 opensThe 2 km section Serdika - Vasil Levski National Stadium of Sofia metro Line 1 opened on 08.09.2009, connecting the region's eastern and western boroughs and ... More Information

Traficon PR

Traficon PRTraficon of Belgium has 25 years field experience in video image processing for traffic analysis, with more than 60,000 video detection sensors operational worldwide. The company has been ... More Information

Dubai Metro - longest automated driverless train system

Dubai Metro - longest automated driverless train systemA section of Dubai Metro Red Line with 10 stations opened to the public on 10th September, 2009. Although the original planned opening date was ... More Information

Sri Lanka's Uma Oya launches forty years on

Sri Lanka's Uma Oya launches forty years onThe Uma Oya project to bring water and electricity to 500,000 parched Sri Lankans was first planned as part of the 1968 Mahaweli project, which was ... More Information

Cellular concrete white papers

Cellular concrete white papersCellular Concrete LLC has issued its fourth white paper in the Smart Foam Liquid Concentrate Solution series, which assesses alternative methods available for ... More Information

Päijänne - world's longest tunnel

Päijänne - world's longest tunnelReader Juha Huovilainen juha.huovilainen@marimils.fi has updated the tunnelbuilder Hall of Fame entry for Päijänne tunnel in Finland. After 27 years as the ... More Information

Deo Ca Pass tunnel in Central Vietnam moves forward

Deo Ca Pass tunnel in Central Vietnam moves forwardThe twin tube Deo Ca Pass highway tunnel will have a total length of 5.45 km. Phu Yen and Khanh Hoa provincial administrations are supervising ... More Information

World's longest water diversion tunnel

World's longest water diversion tunnelThe 85.3 km-long, 8 m-diameter tunnel from Hengren county to Xinbin county in East Liaoning will deliver water from Dahuofang reservoir to more than 10 million ... More Information

Art and craft

Art and craftIn Ireland, Limerick County Council is advertising for artists to create permanent outdoor artwork for their ring road and tunnel, for which they will pay EUR500 to each of the five ... More Information

Safe tunnelling in urban areas

Safe tunnelling in urban areasMeyco Global Underground Construction has announced that the BASF TBM 2009 conference will take place in Singapore from 5-7th November. The emphasis will be on EPB and ... More Information

Big 5 PMV moves to Dubai Arena

Big 5 PMV moves to Dubai ArenaBig 5 PMV, the most important event for construction plant, machinery, equipment and vehicles in the Middle East, will take place from 23-26 November, 2009 in The ... More Information

Page:

Tunnelling News

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

The world's longest expressway tunnel: China's Tianshan Shengli Tunnel

At the same time, the project also implemented China's first 'three-tunnel parallel construction' plan, which increased the number of workfaces. At ... More Information

'Not really where you want to be': Ground preparation for Lower Thames Crossing tunnelling

The Lower Thames Crossing is a major new road and tunnel project in the UK, intended to alleviate congestion at the Dartford Crossing and enhance. More Information

Funding problems affect metro line extensions

In the Athens metropolitan area, construction of Line 4 is continuing, with the Avax-Ghella-Alstom consortium saying the two tunnel-boring machines ... More Information

Transport Minister inspects progress on Cairo Metro Line 4 phase one

Four tunnel boring machines (TBMs) are in operation—two in each direction. According to the project timeline, the first TBM has reached the Grand ... More Information

Here's what happened with Toronto's Scarborough Subway Extension in 2025

SSE tunnelling, which began in January 2023, is being carried out with the largest tunnel boring machine (TBM) ever used on a Canadian transit project ... More Information

NHAI connects Tunnel No. 4 on Shimla bypass

NHAI PIU Shimla Project Director Anand Kumar, Bharat Construction ... The tunnel was constructed using the New Austrian Tunnelling Method (NATM) ... More Information

Mumbai-Ahmedabad Bullet Train Update: Palghar Tunnel Breakthrough Achieved

NHSRCL Bullet Train Project | India First Bullet Train Update: Last year, the Ministry of Railways achieved a breakthrough in the construction of ... More Information

Main tunnel works connecting future Changi Airport T5 to existing T2 completed

Main tunnel works connecting the future Terminal 5 to the existing Terminal 2 are completed, as the Changi East development gathers pace... More Information

Testing completed on Hudson River Tunnel boring machines

The project calls for construction of 9 miles of passenger-rail track between New York ... More Information