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NHSRCL signs MoU for Track works for Mumbai Ahmedabad High Speed Rail corridor

National High Speed Rail Corporation Limited(NHSRCL) signed a Memorandum of Understanding (MoU) with Japan Railway Technical Service (JARTS) for Training & Certification and Advisory Services ... More Information

Mumbai Metro Line 3 has accomplished its 37th breakthrough!

On 22/04/2021 the Mumbai Metro Rail Corporation (MMRC) achieved its 37th breakthrough at Chhatrapati Shivaji Maharaj Terminus (CSMT) Metro Station o the metro line 3 in Mumbai. The Robbins made ... More Information

Colaba-Bandra-SEEPZ Metro-3 Corridor 36th Breakthrough at CSMIA T1 Metro Station

Colaba-Bandra-SEEPZ Metro-3 Corridor 36th Breakthrough at CSMIA T1 Metro Station

Mumbai Metro Rail Corporation (MMRC) has achieved its 36th breakthrough at CSMIA T1 Metro Station.  With this 1.5-km long tunnel from Sahar Road Metro Station to CSMIA, T1 is now completed. The ... More Information

TERRATEC TBM begins work for Delhi Metro Phase 4

  TERRATEC TBM begins work for Delhi Metro Phase 4

A refurbished 6.52m diameter TERRATEC Earth Pressure Balance (EPB) Tunnel Boring Machine has been delivered to a Joint Venture between Hindustan Construction Company Ltd. of India and Vensar ... More Information

Mumbai coastal road - TBM Mavala Launched

On the 11/01/2021 the official launching ceremony for the TBM named Mavala was held, to see the ceremony please click here for the video. The TBM will dig the 3.45 km twin tunnel from Princess ... More Information

Final breakthrough for TBM Krishna 1 on metro line 3 in Mumbai

Final breakthrough for TBM Krishna 1 on metro line 3 in Mumbai

TBM Krishna 1 has reached the Dadar Metro Station: it’s the 35th breakthrough on metro line 3 in Mumbai, click here for the video. With this, MMRC has successfully completed the 10.96-km long ... More Information

TERRATEC TBMs breakthrough on Pune Metro

TERRATEC TBMs breakthrough on Pune Metro

Gulermak-TATA Projects JV celebrates the breakthrough of TBM tunnelling on the underground works on Line 1 of the Pune Metro, in India. In early-November, TERRATEC joined officials from ... More Information

MMRC completes 33rd breakthrough from Churchgate to Hutatma Chowk

MMRC completes 33rd breakthrough from Churchgate to Hutatma Chowk

On 16/10/2020 MMRC  achieved a 33rd breakthrough with the 653-m long tunnel from Churchgate to Hutatma Chowk station for the metro Line 3 in Mumbai.  It is the first TBM breakthrough ... More Information

TERRATEC Open TBM delivered for Mumbai’s Water Tunnel Project

TERRATEC Open TBM delivered for Mumbai’s Water Tunnel Project

TERRATEC’s Open TBM for the Municipal Corporation of Greater Mumbai’s (MCGM) Amar  Mahal II Tunnel Project in Maharashtra, has passed the Factory Acceptance Test (FAT),making it ... More Information

TERRATEC delivers its 25th TBM to India

TERRATEC delivers its 25th TBM to India

The new 3.14m diameter TERRATEC EPB TBM will empower sewage infrastructure components on the Mumbai Sewer Disposal Project Stage II Priority Works, in Mumbai, India. TERRATEC is celebrating ... More Information

Mumbai Metro's Line 3 updates

Mumbai Metro's Line 3 updates

In August this year MMRC (Mumbai Metro Rail Corporation) completed the 1.5-km long tunnel beneath Mithi River. The Terratec-made TBM Godavari-4 completed the upline stretch of 1.5-km from BKC to ... More Information

TERRATEC secures AMT-II hard rock TBM order

TERRATEC secures AMT-II hard rock TBM order

Patel Engineering will utilise a TERRATEC open hard rock TBM for the Municipal Corporation of Greater Mumbai’s (MCGM) AMT-II water transfer project, in India.  TERRATEC is pleased to ... More Information

TERRATEC EPBMs gear up for tunnelling on Pune Metro

TERRATEC delivers the first two of three TBMs that will be used by Gulermak-Tata Projects JV for the underground works on Line 1 of the Pune Metro, in India. TERRATEC is pleased to announce the ... More Information

New milestone on Mumbai Metro's Line 3.

On October 22nd the L&T-STEC JV and MMRC achieved the 21st Breakthrough for Mumbai Metro's Line 3 at Churchgate Station part of Package 1. The breakthrough of Robbins Crossover XRE TBM Surya-II ... More Information

Two new breakthroughs for Mumbai Metro Line 3

Two new breakthroughs for Mumbai Metro Line 3

There have been two new breakthroughs as part of the ongoing Mumbai Metro Line 3 in India.  The 18th breakthrough was TBM Wainganga-1 who broke through at the SEEPZ station after completing ... More Information

TERRATEC TBM completes first tunnel for Mumbai Metro

TERRATEC TBM completes first tunnel for Mumbai Metro

HCC-MMS JV achieves major milestone with Terratec machine having broken through on the first full section of running tunnel to be completed for Mumbai Metro Line 3, in India. In early-August, ... More Information

Mumbai Metro Line 3 renamed as Aqua Line

Maharashtra Chief Minister Devendra Fadnavis on Friday unveiled the rolling stock model of Metro Line 3, which has been named AquaLine. The MMRC (Mumbai Metro Rail Corporation) has awarded the ... More Information

TERRATEC secures contract for Pune Metro TBMs

TERRATEC secures contract for Pune Metro TBMs

TERRATEC Tunnel Boring Machines (TBMs) are proving their worth in India with another contract secured for the underground works on Line 1 of the Pune Metro. Having delivered 22 TBMs to India ... More Information

First TERRATEC TBM breaks through on Mumbai Metro

First TERRATEC TBM breaks through on Mumbai Metro

The first of seven TERRATEC TBMs being used on Mumbai Metro’s highly anticipated 33.5km underground Line 3 corridor, in India, breaks through on its inaugural drive. In mid-February, TERRATEC ... More Information

6th Breakthrough on Mumbai Metro 3

6th Breakthrough on Mumbai Metro 3

On the 20.02.2019 Mumbai Metro 3 Colaba-Bandra-SEEPZ corridor achieved a 6th TBM breakthrough at Sahar Road Metro station, which is being built under Mumbai’s crucial Tansa water ... More Information

5th TBM Breakthrough for Colaba-Bandra-SEEPZ

5th TBM Breakthrough for Colaba-Bandra-SEEPZ

On the 13th of February 2019 a fifth TBM breakthrough was reached for Mumbai Metro 3 corridor at Chhatrapati Shivaji Maharaj International Airport (CSMIA) - T2 metro station. The TBM Wainganga 3, ... More Information

Twin Tunnel Breakthrough in India

Twin Tunnel Breakthrough in India

On 31.01.2019 Mumbai Metro Rail Corporation (MMRC) witnessed a twin tunnel breakthrough of the third and fourth TBM of Colaba-Bandra-SEEPZ Metro3 corridor at Dadar Metro Station. Krishna 1, the ... More Information

Second breakthrough for Mumbai Metro 3 line

Second breakthrough for Mumbai Metro 3 line

On the 26.12.2018 the Mumbai Metro-3 (Colabata-Bandra-Seepz) Wainganga 2 TBM broke through at the future Seepz station in Andheri. The TBM was originally launched on the 23.08.2018 from Sariput ... More Information

First breakthrough for Mumbai’s Metro-3

On the 24.09.2018 the TBM Wainganga completed its first tunnel for the 33.5-km Colaba-Bandra-Seepz (Metro-3 line). The 1.26-km tunnel between Pali ground in Marol, Andheri (East) and the ... More Information

The Mumbai Coastal Road Project (MCRP)

The 35.6 km long Mumbai/Bombay Coastal Road will connect the southern part of Mumbai from Marine Lines with Kandivali in the north. It will have 8 lanes, two of which are reserved for the Bus ... More Information

Mumbai - Two new metro projects approved

On the 11th of September 2018 the Maharashtra government approved the implementation of two metro projects for Mumbai: the Dahisar-Mira Bhayander section for the metro Line 9, and the 3.17 km ... More Information

TERRATEC TBMs get up to speed on Mumbai Metro

TERRATEC TBMs get up to speed on Mumbai Metro

The first four of seven TERRATEC TBMs to be used on Mumbai Metro ’s highly anticipated 33.5km Line 3 underground corridor , in India , are making good progress .   In early August, ... More Information

MMRC - Metro 3 Corridor

On August 10, 2018 Mumbai Metro Rail Corporation (MMRC) started the tunnelling for package 01, which comprises of Cuffe Parade, Vidhan Bhavan, Churchgate and Hutatma Chowk stations. The TBM Surya 1, ... More Information

Twin Robbins Crossover TBMs to bore on Mumbai Metro Line 3

Twin Robbins Crossover TBMs to bore on Mumbai Metro Line 3

Massive Metro Project Will Improve Traffic and Rail Congestion in One of India’s Largest Cities On June 11, 2018, a Robbins Crossover XRE destined for Line 3 of India’s Mumbai Metro ... More Information

VIP ready to talk TSG innovation at the WTC

VIP ready to talk TSG innovation at the WTC

VIP-Polymers Ltd is taking its latest innovation in tunnel segment gaskets - a major step forward in cast-in gasket design - to the ITA-AITES World Tunnel Congress in Dubai. The patented ... More Information

Mumbai Metro Line 3

The MMRC (Mumbai Metro Rail Corporation ) has completed 15-16% of the civil construction for the Mumbai Metro Line 3, the first underground metro line in Mumbai/Bombay. More Information

Robbins Slurry TBM ramps up for Mumbai Metro Line 3

Robbins Slurry TBM ramps up for Mumbai Metro Line 3

First of Two Mixed Ground Machines will begin boring this autumn. The first of two Slurry TBMs, a rebuilt 6.65 m (21.8 ft) diameter machine, passed its factory acceptance on September 4, 2017 ... More Information

Mumbai - Ahmedabad High Speed Rail (MAHSR)

On 11.09.2017  a ceremony was held for the start works for First High Speed Train Project (popularly referred to as the Bullet Train) between Mumbai and Ahmedabad. The actual works will ... More Information

Mumbai Metro Line 3

Mumbai Metro Line 3

On 04.09.2017 a 6.65-m diameter NFM Slurry TBM rebuilt by Robbins for the Mumbai Metro Line 3 project  passed the FAT (factory acceptance testing) in Singapore. The slurry TBM will be ... More Information

MMRC fabricates first tunnel ring for Metro-3

MMRC fabricates first tunnel ring for Metro-3

On 07.03.2017 Mumbai Metro Rail Corporation (MMRC) fabricated the first tunnel ring for the 33.5 km Colaba-Bandra-SEEPZ Metro-3 corridor project at the Wadala casting yard. About 40,000 segment ... More Information

Robbins TBM records in Mumbai

Robbins TBM records in Mumbai

On 21.01.2014 a Robbins Main Beam TBM completed the 8.3 km-long Mumbai Water Tunnel, more than 100 m below ground. The tunnel is one of the longest and deepest water supply tunnels in Asia. The 6.25 ... More Information

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Tunnelling News

Westmead metro station cavern formwork the biggest in the southern hemisphere

Crews are now retrieving the 1,200-tonne Tunnel Boring Machines (TBMs) that arrived beneath Westmead in September and October, lifting each machine ... More Information

Webuild: excavation begins on three tunnels for Salerno-Reggio Calabria HS/HC Railway

All four TBMs planned for Lot 1A Battipaglia–Romagnano section are operational with launch of latest three Joining TBM Partenope, already active, are Leucosia and Ligea, whose names were ... More Information

SELI Overseas: 75 Years of Tunneling with TBMs

From Channel Tunnel to the Brenner Tunnel: When Tunneling Is Synonymous with Innovation ... SELI TBM at work on the construction site... More Information

Road realignment is major step for HS2, says firm

HS2 Ltd A view of the realigned B4525 on an overcast day. · HS2 Ltd An aerial view of the construction of Greatworth tunnel showing major earthworks ... More Information

Amtrak has made real progress in East River Tunnel rehabilitation

The tunnel has been stripped down to the concrete liner. Westbrook was told the project isn't just about modernizing and replacing what was, but also ... More Information

Madrid invests EUR 123 million in new metro stations on Line 11

TBM Mayrit enters into action in 2026 · November 2025 – February 2026: assembly of the tunnel boring machine in Comillas Park (Carabanchel district) ... Facebook Twitter Flag as ... More Information

Jerusalem Light Rail Construction Advances Ahead of Major Tunnel Work

Local reporting on city project materials notes that “the plan calls for a 2-km underground tunnel to be built beneath the city center, including ... More Information

Why and how the Civil Works Alliance changed Sizewell C tunnel designs from Hinkley Point C

Ground conditions around Sizewell C have required intense collaboration between the project’s contractors alliance to come up with new outfall and intake tunnel design solutions... More Information

AI planning of the first railway tunnel through challenging terrain

AI plans first rail tunnel through tough terrain. Artificial Intelligence China Uses AI for the Construction of Railway Tunnels. 2025-12-08 ... More Information

Will Tunneling Projects Be The Next Big Thing For Mumbai's Public Transport?

During the interview, she also called tunnel boring machines the safest and one of the most efficient ways of doing tunelling. "Only the place of the ... More Information

Chipolbrok vessels deliver tunnel boring machines to Sydney and mineral bulk to Peru

Chipolbrok delivers TBMs for Sydney Metro on Chipolbrok Star and loads 29000t minerals in Peru on Taixing, showcasing fleet versatility... More Information

How Seequent's software solutions help to manage tunnelling data

The second phase of Singapore's Cross Island Line (CRL) metro project is under way, assisted by a suite of software from Seequent. Singapore's CRL is ... More Information

Muography to Transform Tunnel Safety Monitoring

Underwater bridge tunnels have become vital arteries for cities, enabling smooth vehicular passage beneath rivers, bays, and inland waterways. More than 200 of these structures operate ... More Information

10 longest tunnels in the world that reshaped global transportation

Modern tunnel construction involves sophisticated techniques, including tunnel boring machines and advanced geological surveying. The project ... More Information

Čučković: Construction of the tunnel boring machine for the Belgrade Metro in final phase

It is a good thing that we, for example, acquired these tunnel boring machines at a lower price than other countries... More Information

Serbia plans to borrow 2.5 billion EUR in 2026 for the construction of the Belgrade metro

It is also stated that two TBMs (tunnel boring machines), the so-called moles, have already been ordered and are expected to be delivered to ... More Information

VSM starts operation at Tilbury

The pioneering Vertical Shaft Sinking Machine (VSM) from Herrenknecht, named “Verena”, after Verena Holmes, a pioneering British mechanical ... More Information

Metrolinx reveals names of Ontario Line tunnel boring machines

Following a contest, Metrolinx has officially named its two massive tunnel boring machines Libby and Corkie... More Information

Montreal blue line metro tunnel boring machine has arrived, time to dig

It's basically building the backbone of the blue line extension,” said project chief Maha Clour, pointing out that crews have reached the bottom of ... More Information

Norway Unveils The World's Longest Road Tunnel In A Majestic Engineering Marvel

The construction cost broke down to about 38,000 NOK (roughly £3,500) per meter, an impressive figure considering the complexity and scale of the ... More Information

Sydney Metro West construction captured on video ahead of 2032 opening

Two giant tunnel boring machines have made their way through the deepest section of Darling Harbour as part of works on the new Metro West. More Information

Bengaluru's ₹18,000-crore tunnel road project inches closer as four major firms submit bids

Four firms bid for Bengaluru's ₹18000 crore tunnel project linking Hebbal to Silk Board, expected to ease city traffic by 2029 under a 34-year ... More Information

Webuild advances Rocchetta Tunnel excavation

Upcoming construction milestones. Webuild is preparing for the next major phase on the Apice–Hirpinia section: the launch of the reinforced concrete ... More Information

MMRDA plans 70-km underground tunnel road network across Mumbai

The project, being prepared in phases, will enhance multi-level connectivity and ease commuting. By KAILASH BABAR · Google preferences in ET Follow us ... More Information

Kathmandu-Tarai Expressway achieves 43.3% progress

The total length of the seven tunnels under the project is 10.979 km. ... Construction progress for the Chandram Bhir tunnel. (2,250 metres) has ... More Information

MMRDA plans 70-km underground tunnel road network across Mumbai

The project, being prepared in phases, will enhance multi-level connectivity and ease commuting. By KAILASH BABAR · Google preferences in ET Follow us ... More Information

Hong Kong: Robotics And AI Enhance Tunnel Construction

It is leveraging artificial intelligence (AI), robotics and automation to advance the Trunk Road T2 and Cha Kwo Ling Tunnel project. These ... More Information

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