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

Pipejacking for Pantai Sewer Network in Kuala Lumpur

Pipejacking for Pantai Sewer Network in Kuala LumpurPhase 1, Package 1 of a major sewerage project is currently being undertaken by Shimizu-Road Builder-Hitachi Plant JV in Kuala Lumpur ... More Information

Sensors and Soil Treatment at the Pantai Trunk Sewer in Kuala Lumpur

Sensors and Soil Treatment at the Pantai Trunk Sewer in Kuala LumpurIn December 2003, the Sewerage Services Department under the Ministry of Energy, Water and Communication awarded the ... More Information

China Tunnel Summit 2007

China Tunnel Summit 2007The China tunnel summit, to be held in Xi’an on 18th-19th April, will be the opportunity for participants to listen to showcases from the midwest China region; to get ... More Information

Sandvik at Bauma 2007

Sandvik at Bauma 2007Sandvik Mining and Construction will participate at Bauma, from 23rd to 29th April in Munich, Germany. On the outdoor site area F9 (Stand No. 905/2), Sandvik will introduce a ... More Information

San Eduardo Tunnel Under Construction in Ecuador

San Eduardo Tunnel Under Construction in EcuadorThe San Eduardo tunnel project is located in the northwest part of Guayaquil in Ecuador. The length of the twin bored tunnel is 2 x 1.29 km. The ... More Information

4th International Conference on Traffic and Safety in Road Tunnels

4th International Conference on Traffic and Safety in Road TunnelsA fair amount of attention is being paid to tunnel projects with regard to safety. However, despite the application of ... More Information

Robbins TBM Excavates Talave-Cenajo Aqueduct Tunnel in Spain

Robbins TBM Excavates Talave-Cenajo Aqueduct Tunnel in SpainThe objective of the Talave-Cenajo water transfer tunnel in Castilla La Mancha, southeast Spain is to ensure that people living in ... More Information

Lovat TBMs Finish Tizi Ouzou-Algiers Water Transfer Scheme

Lovat TBMs Finish Tizi Ouzou-Algiers Water Transfer SchemeCMC has announced the breakthroughs, ahead of schedule, of the Thenia and Narcira tunnels on the Tizi Ouzou-Algiers water transfer ... More Information

Atlas Copco Puts Productivity on Display at Bauma 2007

Atlas Copco Puts Productivity on Display at Bauma 2007 As in previous years, Atlas Copco's drill rigs will play a central role at the show. For underground drilling, Atlas Copco will ... More Information

Roadheaders Enter in Action on North-South Bypass Tunnel in Brisbane

Roadheaders Enter in Action on North-South Bypass Tunnel in BrisbaneTunnelling is starting at Kangaroo Point on Brisbane's North-South Bypass Tunnel (NSBT) two months early after the delivery ... More Information

North Bore Breaks Through at Piedicastello Tunnel in Trento, North Italy

North Bore Breaks Through at Piedicastello Tunnel in Trento, North ItalyThe objetive of the environmental and urban redevelopment in the Piedicastello area, the re-routing of the Trento ring ... More Information

Madrid's M-30 Motorway on Discovery Channel

Madrid's M-30 Motorway on Discovery ChannelMadrid's inner ring road, the M-30, is the busiest road in Spain. It is famous for its traffic jams and pollution. The chronical traffic crisis had to be ... More Information

SMART Tunnel to Open for Traffic in March

SMART Tunnel to Open for Traffic in MarchKuala Lumpur city centre is flooded by water from the Klang River with increasing frequency when it rains heavily. Traffic grinds to a standstill and ... More Information

World’s Deepest Road Tunnel Breaks Through in Norway

World’s Deepest Road Tunnel Breaks Through in Norway951 days after the first blast, the 7,765 m-long Eiksund subsea tunnel - the world’s deepest road tunnel in Møre and Romsdal county - ... More Information

Pilot Tunnel is More than 50% Completed at La Linea in Colombia

Pilot Tunnel is More than 50% Completed at La Linea in ColombiaThe La Linea tunnel project, or Segundo Centenario tunnel, crosses the central mountain range and forms part of the ... More Information

Twin Robbins TBMs Tackle Dahuofang Water Transfer Tunnels

Twin Robbins TBMs Tackle Dahuofang Water Transfer TunnelsConstruction of the 85.3 km-long Dahuofang water transfer tunnel is expected to be completed at the end of 2008. The central area of ... More Information

Tunnelling Starts at Leipzig City Tunnel

Tunnelling Starts at Leipzig City TunnelA 65 m-long 1,100-tonne shield TBM dubbed 'Leonie' and supplied by Herrenknecht was officially launched on 11th January, 2007 during an official ... More Information

World's Second Longest Road Tunnel Opens in China

World's Second Longest Road Tunnel Opens in China The Zhongnanshan (Zhongnan mountain) tunnel, which passes through the Qinling mountains in northwest China's Shaanxi province, opened ... More Information

International Symposium on Brenner Base Tunnel

International Symposium on Brenner Base TunnelThe faculty of civil engineering and faculty of geo- and atmospheric sciences of the University of Innsbruck organizes an international symposium on the ... More Information

156 Kilometres of Tunnels Planned in Istanbul

156 Kilometres of Tunnels Planned in IstanbulThe Istanbul Metropolitan Municipality targets 156 kilometres of new highway tunnels to improve the urban traffic in the city. The municipality ... More Information

Robbins Opens New Manufacturing Facility in Shanghai

Robbins Opens New Manufacturing Facility in ShanghaiRobbins recently opened a new manufacturing facility next to its offices in Shanghai, China in late 2006. The new workshop was built ... More Information

Turkey Opens Bolu Tunnel

Turkey Opens Bolu TunnelRecep Tayyip Erdogan and Romano Prodi, the prime ministers of Turkey and Italy, on 23rd January inaugurated the right carriageway (Istanbul-Ankara direction) on the ... More Information

Naples Metro Inaugurates First Section of Line 6

Naples Metro Inaugurates First Section of Line 6On 11th January, 2007 Italian Prime Minister Romano Prodi inaugurated in Naples the first section, running from Mergellina to Mostra ... More Information

Mitsubishi TBM Breaks Through Parbati Stage II Hydropower Shaft

Mitsubishi TBM Breaks Through Parbati Stage II Hydropower ShaftA Mitsubishi-Boretec-NFM refurbished TBM has achieved the breakthrough of the second inclined pressure shaft of the Parbati stage ... More Information

Last TBM Breakthrough at Kárahnjúkar

Last TBM Breakthrough at KárahnjúkarThe third and last Robbins TBM at the main Kárahnjúkar headrace tunnel broke through its 11.5 km section on 5th December, 2006. The breakthrough marks ... More Information

Croatia Finalizes Construction of Zagreb-Macelj Motorway

Croatia Finalizes Construction of Zagreb-Macelj MotorwayThe Zagreb-Macelj motorway forms part of the European and Croatian road network between Zagreb and the Slovenian border in Macelj, ... More Information

Construction Starts on Marconi-Lingotto Section of Turin's Metro

Construction Starts on Marconi-Lingotto Section of Turin's MetroOn Monday 8th January, 2007 construction of section 2 Marconi-Lingotto on the Porta Nuova-Lingotto section of Turin's ... More Information

Construction of Jucar-Vinalopo Water Transfer Scheme to Start Soon

Construction of Jucar-Vinalopo Water Transfer Scheme to Start Soon The Spanish government repealed four sections of the Jucar-Vinalopo water transfer scheme a year and a half ago after ... More Information

DSI Acquires Alwag and ACI

DSI Acquires Alwag and ACIDSI (DYWIDAG Systems International) consolidates its existing tunnelling activities with the newly acquired companies Alwag Tunnelausbau Ges.m.b.H. (Alwag) of Austria and ... More Information

Arlaban Tunnel Breakthrough Unites Basque Provinces in Spain

Arlaban Tunnel Breakthrough Unites Basque Provinces in SpainBoring of the 3,377 m-long Arlaban tunnel (now named Isuzkitza) was completed on 28th December, 2006 thus uniting 1,300 metres that ... More Information

Sentvid Tunnel Nears Completion in Slovenia

Sentvid Tunnel Nears Completion in SloveniaThe Sentvid tunnel, which is currently under construction in Ljubljana, Slovenia is a section of the future highway between the Karavanke tunnel ... More Information

Construction in Full Swing at Malmö City Tunnel

Construction in Full Swing at Malmö City TunnelThe Öresund connection between Sweden and Denmark, a combination comprising both bridge and tunnel structures, was officially opened in July ... More Information

Longest Tunnel Breaks Through on Sweden's Bothnia Line

Longest Tunnel Breaks Through on Sweden's Bothnia LineThe 5.6 km Namntall tunnel, one of 16 such constructions on the Bothnia line and Sweden's longest railway tunnel, broke through on 30th ... More Information

Tunnelling Ends on the M-30 South Bypass in Madrid

Tunnelling Ends on the M-30 South Bypass in Madrid'Tizona', the world's biggest TBM with its twin 'Dulcinea', finished its job on 30th October, 2006 in the eastbound, south tunnel on the south ... More Information

Moutier Tunnel Breaks Through during Saint Barbara Day

Moutier Tunnel Breaks Through during Saint Barbara DayThe Moutier tunnel holed through on Monday 4th December, 2006 after a mass celebrated in honor of Saint Barbara, the patron saint of ... More Information

Steady Progress at Hallandsås

Steady Progress at HallandsåsAt the southern tunnel portal in Förslöv, commissioning of the 250 m-long TBM and its ancillary installations has been in progress since autumn 2005. ... More Information

Tunnelling News

Single-Bore Tunnel Method Chosen for BART Silicon Valley Phase II

This decision allows VTA to advance project design towards 60%, stay on a critical path to tunnel construction and meet the projected revenue service ... More Information

Boring Co. begins 'controlled blasting' for Nashville tunnel at TN capitol

The Boring Co. has started excavation work at a state-owned parking lot on Rose Parks Boulevard for the Music City Loop project Wednesday, Aug. 13, ... More Information

TBM arrives in Montreal for delayed metro extension project

A custom-built tunnel boring machine (TBM) has arrived in Canada for use on a 6km extension of the Montreal Metro... More Information

Spain Confirms Feasibility of €8.5 Billion Morocco-Europe Tunnel

The study was conducted by German company Herrenknecht, the world leader in tunnel boring machines, at the request of the Spanish government's ... More Information

TxDOT spends $748M to burrow bus-size tunnels under Central Austin

The first tunnel boring machine will be deployed near ... Industry experts say tunnel boring machines typically advance about 50 feet per day. More Information

6 TBMs on Duty on the 27-Kilometer Line in Körfezray

Two of the six Tunnel Boring Machines (TBMs) that will serve in the first 27-kilometer phase are actively excavating tunnels, while the ... More Information

Construction on HS2's Euston tunnel will start 'fairly soon', says rail minister

Construction on the HS2 tunnel from Old Oak Common station to Euston station will start “fairly soon”, the rail minister has said... More Information

Blue Line Extension TBM Arrives at Port of Montreal

Railway Track and Structures Construction site of the future Vertières station (Pie-IX) in June 2025. Caption and photo courtesy of STM. MONTREAL - The tunnel boring machine (TBM) ... More Information

Tunnel break through milestone for Mt Messenger Bypass project

A 110 tonne excavating machine, called Hinetūparimaunga, has broken through at the northern end of the project's 235 metre-long tunnel ... More Information

$3.9 billion tunnel and bridge link for VA

Costing around $3.9 billion, the Hampton Roads Bridge-Tunnel (HRBT) upgrade Expansion project for Virginia will improve traffic flow for a key ... More Information

Extended North Tunnel Flood Mitigation Project Receives $18.2 Million in State Funding

The funding advanced by the board includes a $17.2 million loan and $1 million grant for the construction of the mile-long tunnel, which will divert ... More Information

Gateway Project faces new uncertainty amid government shutdown

Federal funding for the $16B Hudson Tunnel Project, aka Gateway, has been paused during the government shutdown, sparking political backlash. More Information

Tunnel Boring Machine Emily Passes Key Factory Test for DC Water Potomac River Tunnel Project

Tunnel boring machine (TBM), Emily. This test confirms that Emily is ready to begin excavating the southern leg of the Potomac River Tunnel — a ... More Information

Sydney Metro West achieves world-first in tunnelling technology

Sydney Metro West has achieved a world-first in tunnel construction with a Lining Erector Machine (LEM) successfully being used to line the mined ... More Information

Gateway construction continues despite Trump's claim of termination

Tutor Perini, the general contractor on the Manhattan Tunnel Project, confirmed construction activity is currently continuing as planned... More Information

Tunnelling complete for Annacis water supply project

Metro Vancouver has completed the tunnelling phase of the $450 million Annacis Water Supply Tunnel, which will complete in 2028... More Information

Santa Clara VTA confirms single tunnel plan for BART extension

With VTA now owning the tunnel boring machine, the agency assumes full responsibility for its performance, agency officials said. To manage the risk, ... More Information

Chennai: Tunnel Boring Machine Vaigai achieves breakthrough at Mandaveli Metro Station

CHENNAI: The Chennai Metro Rail Limited (CMRL) on Saturday achieved a major milestone in Phase II tunnelling works, as Tunnel Boring Machine (TBM) ... More Information

Trump 'terminates' $16 billion Hudson River tunnel project linking N.J. and N.Y.C.

President Trump said funding for the $16 billion Gateway Tunnel project is "terminated" at a press conference. New Jersey officials said they will ... More Information

$676 million underwater tunnel for India

The project is expected to cost around $676 million, with a Detailed Project Report (DPR) having now been completed. India's road transport network is ... More Information

€1.4 billion Belgian tunnel project approved

The first phase of the €1.4 billion project for Belgium’s new Limburg Noord-Zuid link has been approved. Construction should commence in 2027 on the project, which will form a section of ... More Information

Tunnel boring machine S-639B achieves breakthrough under Kanpur Metro Phase I Project

The package KNPCC-06 involves design and construction of a tunnel through TBM, cut and cover tunnel, underground ramp from Kanpur Central end of ... More Information

Lawmakers propose construction of undersea tunnel to link Luzon and Visayas

Several lawmakers from the Visayas region are proposing the construction of an underground tunnel that will serve as a permanent land connection ... More Information

Oman-UAE rail project hits major milestone with start of tunnel excavation

Tunnel excavation has begun in Oman's Al Hajar Mountains, marking a major milestone for the cross-border Oman-UAE Railway... More Information

Engineering the depths: innovative tunnelling for hydropower projects

Major schemes in Austria, China, and Germany are applying advanced underground construction techniques for hydropower projects. More Information

New tunnel, new standard: Silvertown project showcases innovation in surface protection

Originally approved in 2018, construction of the tunnel began in March 2021. In September 2023, following the completion of tunnelling works, ... More Information

Metro Manila Subway Project: DOTr launches third tunnel boring machine

Dubai: The Department of Transportation (DOTr) has launched a third tunnel boring machine (TBM) for the Metro Manila Subway Project (MMSP), ... More Information

Skanska JV wraps up $450M Baltimore tunnel nearly 2 years early

A joint venture has reached substantial completion on the $450 million Howard Street Tunnel Project in Baltimore nearly two years ahead of the original completion date, according to a ... More Information

Work continues on NYC megaprojects, despite $18B federal funding pause

Contractors on two of New York City’s largest infrastructure projects will keep digging, but they might glance over their shoulders toward Washington... More Information

HS2 Chipping Warden tunnel project moves step forward

HS2 Ltd An aerial view of the HS2 tunnel construction at Chipping Warden. A road HS2 Ltd. The 1.55 mile (2.5km) Chipping Warden tunnel will be ... More Information

First of three Tunnel boring machines on way to SA as beams go up for tram overpass

The first of three tunnel boring machines that will be used to complete the northern and southern tunnels project is on its way to SA as part of a ... More Information

Chennai Metro Rail's TBMs to begin tunneling between Thiruvanmiyur and Indira Nagar

Chennai Metro Rail begins tunnelling work in challenging stretch for phase II project, facing obstacles due to hard rock... More Information

Custom lifting gantry aids TBM removal - Construction Briefing

The four TBMs excavated the 8.4 mile (14 km) Northolt Tunnel section. Two went in each way, digging a pair of tunnels from both ends towards each ... More Information

Tunnel construction begins on Barskoon — Bedel road in Issyk-Kul region

According to the project, two tunnels, 5,340 and 3,840 meters long, respectively, will be built at Sook and Ashuu-Suu passes. They will be among the ... More Information

China debuts world's mightiest centrifuge, unleashing ultra-intense gravity

China leads the way in shield tunnelling machine development · Shield machine of south line of Yellow River tunnel starts boring in Jinan · A close ... More Information

Boring Company Launches Global Operations Control Center in Bastrop, Texas

The Boring Company has officially opened its new Global Operations Control Centre in Bastrop, Texas, the tunnelling start-up announced on X... More Information

Port of Longview Lands $35.9MM Federal Loan for Rail Expansion

Active Construction on New Hudson Tunnel Project Supporting Domestic Jobs and Economic Output ... Bridges/Tunnels, Class 1, Freight, Ports, Track ... More Information

TBM Parvati Achieves Breakthrough At Kakadeo Station Of Kanpur Metro Line 2

Brief Scope: Design and Construction of TBM Tunnel, Cut and Cover Tunnel, ramp after Double Pullia, ramps in Agriculture Depot for main line and ... More Information

Howard Street tunnel reopens ahead of schedule, boosting Baltimore's freight capacity

The Howard Street Tunnel has been reopened after being out of service since February 2025.The nearly 130-year-old tunnel extends north from Camden Yards to the Mount Royal Station and is ... More Information