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Breakthrough in Bhutan

Excavation of the headrace tunnel from adit 1 to the de-silting chamber has been completed at Punatshangchhu-II HEP in Bhutan. The de-silting chamber helps clean up the raw water between intake and ... More Information

Invitation to Expotunnel

Invitation to Expotunnel

Expotunnel will be in Bologna, Italy from 23 to 25 October 2014, where tunnelbuilder team welcomes you to our stand D2-E1 in Hall 19. Fill out the registration form and you'll receive by email ... More Information

Caltanissetta in Sicily.

Caltanissetta in Sicily.

By 28.09.2014 EPB TBM Barbara (diameter 15.08 m, length 115 m) owned by consortium Empedocle 2, comprising CMC (leader), Tecnis and CCC, reached the 1 km mark driving the Caltanissetta tunnel on SS ... More Information

Bjornabakkane start

Bjornabakkane start

Metrostav and Havnen Anlegg have started drill/blast construction of the 1,565 m-long Bjornabakkane tunnel in Central Norway. The tunnel, commissioned by Statens vegvesen, will provide avalanche ... More Information

Northgate Link Extension update

Northgate Link Extension update

Northgate Link Extension will connect the Northgate, Roosevelt and U District neighborhoods to downtown Seattle, US and the airport. A second TBM is beginning its 5.79 km journey from the Maple ... More Information

Robbins TBM in Queensland coalmine

Robbins TBM in Queensland coalmine

In August, 2014 major progress was made at a coalmine in Queensland, Australia when a specialized Robbins Dual Mode EPB/Rock TBM was successfully rolled out after completing the first of two access ... More Information

Expotunnel on-line registration

The exhibiting companies and those that make up the Promotion Committee are working in the underground field in Italy and abroad with their innovative solutions. For example: Spea Ingegneria ... More Information

Sao Paulo green metro line 2 extension

Sao Paulo green metro line 2 extension

The Sao Paulo, Brazil green metro line 2 extension will be a new 14.4 km-long section between Vila Prudente and Dutra stations, including 15 shafts, turnout tracks and the following 13 stations: ... More Information

Brenner Base Tunnel

Brenner Base Tunnel

Excavations on the Tulfes-Pfons construction lot began on 18.09.2014 with a solemn ceremony. The BBT project along the 9,000 km north-south corridor from Helsinki to La Valletta is very important ... More Information

Turin metro funding

On 18.09.2014 Piedmont Region and the company Infra.To signed the agreement for funding EUR35 million for the construction of the Lingotto-Bengasi section 4 of Line 1 of Turin metro. The section ... More Information

Indian tunnels progress

The Border Roads Organization (BRO) reported the construction of the 8.8 km-long Rohtang tunnel in the State of Himachal Pradesh, India is underway, with 4.4 km completed to date. Meantime, ... More Information

iBBT Project

On 12.09.2014 was held the final conference of the three-year Interreg Italy-Austria IBBT project on flooring, lining and innovative lighting for tunnels. The project, co-funded Interreg IV ... More Information

Reno-Alps corridor news

Reno-Alps corridor news

On 18.09.2014 the 4th International Corridor Reno-Alps Conference was held in Genoa, Italy. The Swiss Confederation aims to transfer freight from road to rail through the Lotschberg (opened in ... More Information

Power on the Fehmarnbelt link

Power on the Fehmarnbelt link

The 18 km-long Fehmarnbelt tunnel with its electrified rail operation and a fully lit road tunnel requires the security of an uninterrupted power supply. It will have its own, major substation at ... More Information

Complimentary Robbins Web Seminar on Field Experience

Complimentary Robbins Web Seminar on Field Experience

The latest in the Robbins Webinar series is entitled Lessons Learned from the Field: the Greatest Challenges in TBM Tunnelling. The discussion is scheduled for one hour on Tuesday, 30th September ... More Information

Over 900 items for Caorso auction

Over 900 items for Caorso auction

Ritchie Bros next auction in Caorso, Italy is on Thursday 2nd October, 2014. Over 900 items are currently included in the inventory, and more will be added in the coming weeks. This wide variety of ... More Information

Biel bypass go-ahead

Biel bypass go-ahead

The Federal Council of Berne, capital of Switzerland, has approved construction of the western branch of Biel bypass, including the junction to the right bank of Lake Biel (port tunnel) and ... More Information

Expotunnel for Bologna

Expotunnel for Bologna

ExpoTunnel is dedicated to the world of tunnelling, drilling, mining, underground construction and research. Following a successful first show in 2013, the second edition will take place in Bologna, ... More Information

Australian conference imminent

Australian conference imminent

The 15th triennial Australian Tunnelling Conference takes place in Sydney 17-19th September, with more than 80 technical papers due for presentation. ES Rubber, the manufacturer and international ... More Information

London power tunnels update

Contractors Costain Skanska JV recently completed the 3.4 km-long stretch of tunnel under the River Thames between Wandsworth and Earls Court using TBM Evelyn. This involved the twin challenges of ... More Information

Coguaro4 underground mixer

Coguaro4 underground mixer

An underground concrete machinery open house dedicated to tunnelling machines was held in July at CIFA headquarters in Senago (MI). On the CIFA test field, which was set up for the occasion, ... More Information

Approval for wider Eppenberg

Datec has approved the FFS project for the widening to four tracks of the Olten–Aarau rail section, including the new 3 km-long Eppenberg tunnel. Work starts on the tunnel next spring. Value ... More Information

Opportunities at Qatar Rail

Middle East Rail convention takes place in Dubai 17-18 March, 2015. The CEO of Qatar Rail has given an overview of the 14-year plan for the construction of Qatar Metro’s complex tunnel design ... More Information

Terratec TBM ready for Istanbul

Terratec TBM ready for Istanbul

Terratec has handed over a factory tested, customized 6.56 m-diameter EPB with versatile electric drive cutterhead designed to excavate the mixed geology along the alignment of Istanbul metro in ... More Information

Huge CBE moulds for Wuhan

Huge CBE moulds for Wuhan

French supplier CBE Group will provide 30 segment moulds for a 15.2 m external diameter combined road-subway tunnel in Wuhan, China. Read the press release and visit www.cbe-tunnels.com. CBE ... More Information

Turkey motorway financing

The EUR457 million financing agreement for Phase 2A of the Gebze-Orhangazi-Izmir motorway in Turkey has been signed. This section includes the bi-tube Selcukgazi tunnel, length 1,037 m. Overall, the ... More Information

Transjura A16 section opened

A 9 km-long stretch of A16 motorway between Bure and Porrentruy was inaugurated and opened to traffic on 21.08.2014. The last link of the A16 connecting the canton of Jura with France, this highway ... More Information

Submission deadline extended

The deadline to submit abstracts for the WTC 2015 in Dubrovnik, Croatia from 22 to 28 May 2015 has been extended to September 15th. Visit http://wtc15.com. 36/14. More Information

Schoema at Innotrans

Schoema at Innotrans

German specialist locomotive and rolling stock manufacturer Schoema will be presenting new technology at Innotrans 2014 in Berlin, September 23-26th. Don’t miss their exhibition stand, and ... More Information

BTS conference registration

BTS 2014 takes place at the QE 2 Centre in London on 23-24th September. Free online registration is available. Accompanied by “a very well attended exhibition, with many key people from the UK and international tunnelling sectors”. 33/14. More Information

TBM renaissance in Norway

TBM renaissance in Norway

A Robbins 7.2 m-diameter main beam TBM is at work on the Rossaga hydro project in Norway, the first Norwegian tunnel to be mechanically bored in 22 years. Watch the six-minute video and visit ... More Information

Terratec double in Delhi

Terratec double in Delhi

The first two of a scheduled 18 breakthroughs of Terratec TBMs have been accomplished on the CC-07 and CC-24 projects at New Delhi Metro Phase-III. Read the press release and visit ... More Information

Putzmeister at Expomina, Peru

Expomina 2014 takes place in Lima, Peru on 10-12th September. Putzmeister will be there on Stand E01 showing its 5 cu m capacity Mixkret 5 mixer/carrier designed for underground applications. Read ... More Information

City Rail Link update

City Rail Link update

New Zealand’s City Rail Link (CRL) will be built in two 3.4 km-long, twin tunnels up to 42 m below the city centre of Auckland. It will extend the existing rail line underground through ... More Information

Palermo railway ring

Palermo railway ring

On 23.07.2014 Tecnis SpA (Catania) began work on Lot 1 of the railway ring in Palermo. Value of the project is EUR152 million, with EUR28 million coming from EU funds. The Giachery-Politeama section ... More Information

Palermo-Messina progress

On 17.07.2014 breakout was achieved at the Palermo end of the 4,127 m-long Monte Poggio Maria tunnel, part of the dualling of the 19.7 km Fiumetorto-Cefalu Ogliastrillo section on the ... More Information

Tunnelling News

LA Metro approves route of K Line northern extension project to Hollywood

The analysis found that modern tunneling techniques are safe with pre-construction studies, use of advanced tunnel-boring machines, mitigations and ... More Information

Here's when first massive boring machine will start carving tunnel between New York, New Jersey

STATEN ISLAND, N.Y. — A massive tunnel boring machine is preparing to carve a tunnel between New York and New Jersey after President Donald Trump ... More Information

Beyond the horizontal: how a next-generation TBM conquered Pingjiang's inclined shaft

A variable diameter inclined shaft tunnel boring machine has completed a landmark breakthrough on China's Pingjiang pumped storage hydropower ... More Information

CMRL begins tunnelling for Thiruvanmiyur-Indira Nagar section in phase-II metro rail project

Tunnelling through hard rocks in the 650-metre stretch may take nearly six months, officials say ... More Information

AKTOR’s Tunnels on Brașov–Sighișoara Line, among the most complex in Europe

A railway infrastructure project unfolding in the heart of Transylvania has been ranked, according to an independent comparative analysis, among the most complex and ambitious railway ... More Information

Tunnel-boring machines “Victoria” and “Natali”

The tunnel-boring complexes worked in tandem on the Rublyovo-Arkhangelskaya Line. The tunnel-boring machine complexes (TBMs) “Natali” and “Victoria,” ... More Information

Elon Musk's Boring Company plans mile-long tunnel in Dallas connecting to DART station

The Boring Company is developing a proposed mile-long tunnel in Dallas' University Hills that would link a town center to a nearby DART station, ... More Information

Hudson Tunnel Project marks major 2026 construction progress on both sides of the river

Work on the Hudson Tunnel Project in North Bergen is continuing to advance through several major construction steps reached so far this year... More Information

HS2 Ordered to Slash Costs and Construction Time in Major Government Reset

The Transport Secretary has instructed HS2 Ltd to identify options that could cut billions from the project’s cost and bring trains into service sooner, as the government pushes for a ... More Information

SRL East TBMs arrive in Burwood

Two more tunnel boring machines (TBMs) have arrived in Melbourne ready for tunnelling of Suburban Rail Loop (SRL) East to start this year. The TBMs ... More Information

$100 Million Allocated for Ft. Laramie Canal Tunnel Project

Laramie Canal Tunnel Project. The Department of the Interior announced the funding Tuesday as part of the $889 million for water infrastructure ... More Information

What are the benefits of using tunnel boring machines in infrastructure projects?

Ask NCE has been updated to Answers 3.0, allowing you to ask civil engineering-focused questions and receive clear, practical responses such as ... More Information

Minsk Metro, together with "Alesya," will start digging with "Mariya."

It was noted on a transport forum that parts of a second tunnel boring machine (TBM) for laying tunnels began to be brought to one of the construction sites of the third metro line... More Information

TBM for Lyon-Turin project unveiled

The first of two tunnel boring machines for the Italian section of the 57.5km Mont Cenis Base Tunnel has been unveiled... More Information

NFR achieves breakthrough in Tunnel No 8 of Sivok–Rangpo railway project

Tunnel No. 8 is one of the major tunnels of the project with a total length of 4.148 km and an additional adit measuring 1.010 km. The excavation and ... More Information

Suburban Rail Loop hits tunnelling milestone as eight TBMs arrive on site

The Suburban Rail Loop has reached a major construction milestone, with eight tunnel boring machines now on site ahead of tunnelling later this year... More Information

$16bn Hudson Tunnel project could pause again 'in two to three months'

Components of the first tunnel boring machine (TBM) that will be used for the Palisades Tunnel Project arrived at ... More Information

Hinkley Point C | TBM readied for 620m long fish return tunnel

The tunnel boring machine (TBM) that will excavate the fish return tunnel has been christened Sarah Guppy by local schoolchildren, in tribute to ... More Information

Bhopal Metro's Orange Line Tunnelling Begins

The Bhopal Metro project has recently reached an important milestone as tunnel boring machines (TBMs) have been positioned to begin digging work on ... More Information

A Chinese team rescued a $50M tunnel machine stuck 177 feet underground

Chinese engineers have pulled off a stunning rescue, saving a tunnel boring machine (TBM) stuck 177 feet underground beneath the Yangtze River. More Information

Fort Smith named finalist in Elon Musk's Boring Company tunnel challenge

The company selected Fort Smith's proposal from 487 applicants. The company says the winning project will receive construction of a one-mile tunnel ... More Information

Bengaluru: Four infrastructure firms bid for Hebbal short tunnel

Bengaluru infrastructure: Four firms, including Dilip Buildcon and Max Infra, bid for BDA's Rs 1086 crore Hebbal short tunnel project... More Information

TBM readied for Montreal's Blue Line extension

A custom-made 9.7m-diameter tunnel boring machine (TBM) has been assembled and lowered ready to excavate the tube from the future Vertières stop to ... More Information

$11.5B Brenner Base Tunnel Nears End of TBM Excavation

With TBMs Olga and Wilma closing in, the 55-km rail project shifts from excavation to systems integration ahead of its planned 2028 opening beneath ... More Information

$6.75 Billion Unlocked for Turkey's Bosphorus Rail Project

Multiple Earth Pressure Balance (EPB) Tunnel Boring Machines (TBMs) will need to be mobilized to carve out the subterranean corridors leading up to ... More Information

Tunneling for Nashville's underground Tesla project has begun

The Boring Company said that the first three weeks of the project will consist of the Prufrock-MB1, a machine that will help carve out the tunnel, ... More Information

Hudson Tunnel Project construction resumes

I look forward to celebrating the launch of our tunnel boring machines through the Palisades once GDC has assurance it will receive the steady flow ... More Information

Lower Thames Crossing

British suppliers could meet 90% of low carbon steel requirements. The proposed machine would be 16.4m in diameter, large enough to create a three‑lane tunnel bore, and is intended to dig ... More Information

Inside the Tunnel Boring Machine, Southampton Link Main project

A six-tonne tunnel boring machine is digging deep below the ground in Hampshire to help keep the county's taps and rivers flowing... More Information

TBM maestro inspects sites ahead of massive tunnel drive

The first machine components have arrived for the tunnel boring machines (TBMs) to be deployed on the Suburban Connect sites in Melbourne. More Information

Metrolinx provides major updates on subway and LRT projects across the GTA

Tunnel boring is advancing on multiple projects, with Scarborough's TBM ... Metrolinx says “Diggy Scardust,” the project's tunnel boring machine, is now ... More Information

Work in Progress: High-tech TBMs ready to carve underground corridor

The Bhopal Metro Rail Project is transitioning into its most challenging and sophisticated phase as two state-of-the-art Tunnel Boring Machines (TBMs) ... More Information

Sarens helps extract TBM at BC water supply project

The Annacis Water Supply Tunnel Project aims to increase the reliability and capacity of the water supply system in New Westminster, British Columbia. When complete, the tunnel will ... More Information

Judge rules in favor of New York and New Jersey for now in $16B tunnel fight with Trump

A federal judge ruled Friday to temporarily block the Trump administration from suspending federal disbursements for the Gateway Tunnel Project... More Information

Webuild: award for Sustainability Report for commitment to decarbonise through innovation

This includes the large tunnel-boring machines deployed on some of Europe's most complex projects: from the Salerno-Reggio Calabria ... More Information

Clearwater update reports initial entry area is 'stable and intact'

The tunnel boring machine being used in the project remains trapped underground just ahead of where the breach occurred. The ambitious, $630 ... More Information

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