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Featured News

TBM Breakthrough Achieved on Sarıyer–Kilyos Tunnel Motorway Project, Turkey

TBM Breakthrough Achieved on Sarıyer–Kilyos Tunnel Motorway Project, Turkey

A major construction milestone has been reached on the 7 km Sarıyer–Kilyos Tunnel Motorway Project in Turkey, delivered by IC İÇTAŞ İnşaat for Karayolları Genel ... More Information

British Tunnelling Society Conference & Exhibition 2026 Returns to London

British Tunnelling Society Conference & Exhibition 2026 Returns to London

The British Tunnelling Society Conference & Exhibition 2026 will take place on 6–7 October 2026 at the QEII Conference Centre in Westminster, London. Recognised as the UK tunnelling ... More Information

Switzerland - N02 Belchen Tunnel – Second Rehabilitation

The Belchen Tunnel system forms part of the N02 motorway, one of Switzerland’s most strategically important north–south transport corridors. The original eastbound and westbound ... More Information

China Deploys “Underwater Space Station” to Overcome Hyperbaric TBM Challenge on Jintang Subsea Tunnel

China has reported a significant technical breakthrough during construction of the Jintang Subsea Tunnel, part of the Yongzhou high-speed railway, with the successful deployment of a domestically ... More Information

Momentum Builds Underground at the Ellicott City North Tunnel Project

Work on the Ellicott City North Tunnel Project in Howard County, Maryland is advancing toward a key transition point as the team prepares for tunnel boring machine (TBM) assembly following recent ... More Information

Investing in the Future of Tunnelling at NAT 2026

The North American Tunnelling Conference (NAT 2026), hosted by the Underground Construction Association (UCA), will take place in Anaheim, California, from 15–18 June 2026. In addition to its ... More Information

Project Status Update – Europe–Africa Undersea Rail Tunnel

Overview - A long-discussed fixed-link rail tunnel beneath the Strait of Gibraltar—intended to connect southern Spain with northern Morocco—has made recent progress toward ... More Information

Major Tunnelling Projects Involving Tutor Perini: Status Update for Tunnelbuilder readers

Tutor Perini, working through its subsidiary Frontier-Kemper Constructors and in joint venture with Frontier-Kemper, is playing key roles in two significant tunnelling projects in the United States: ... More Information

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Tunnelling News

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

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

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Latest Tenders

Switzerland, Canton of Graubünden

ch/91
Road

Closing Date: 30/04/2026

Europe | San Bernardino Tunnel Signalling System Installation Contract, Switzerland Client ...
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France, Provence - Alps - French Riviera

fr/106
Motorway

Europe | A8 and A51 Motorway Tunnel LED Lighting Upgrade Programme, France Client / Awarding ...
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Italy, Molise

it/283
Railway

Closing Date: 30/03/2026

Europe | Baranello–Campobasso Railway Tunnel Clearance Upgrade, Client / Awarding ...
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Sweden, County of Östergötland

se/104
Railway

Closing Date: 30/04/2026

Tendering Authority - Trafikverket (Swedish Transport Administration) Borlänge, ...
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France, Auvergne–Rhône-Alpes

fr/111
Railway and Road

Closing Date: 23/03/2026

Tendering Authority - Département de la Haute-Savoie Annecy, France Procedure Type - ...
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Germany, Schleswig-Holstein

de/167
Railway and Motorway

Closing Date: 09/04/2026

Tendering Authority - DB InfraGO AG Frankfurt am Main, Germany Procedure Type Negotiated ...
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Italy, Valle d’Aosta

it/140
Road

Closing Date: 20/03/2026

Tendering Authority Anas SpA – Struttura Territoriale Piemonte e Valle d’Aosta, ...
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Italy, Basilicata & Puglia

it/174
Motorway

Closing Date: 11/03/2026

Reference: PZACQ002 26 Tendering Authority Anas SpA – Struttura Territoriale ...
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Italy, Piedmont

it/172
Road

Closing Date: 09/03/2026

Italy, Piedmont – it/172 - road Reference: TOACQ002 26 Tendering Authority Anas SpA ...
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Czech Republic, South Bohemia

cz/46
Railway

No contractor has been selected for the modernisation of the 16.6‑km Nemanice I–Sevetin ...
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United Kingdom, London

uk/107
Railway

Closing Date: 25/02/2026 (Tender Closed)

Docklands Light Railway (DLR) Thamesmead Extension (TEX) Programme – United ...
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Switzerland, Canton of Schwyz

ch/145
Hydropower plant

Closing Date: 04/06/2026

Update for TUNNELLING WORKS – ETZELWERK HYDROPOWER PLANT RENEWAL - Lot 203: ...
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Latest Awards

Iceland, Fljótagöng

is/30
Road

Client / Awarding Authority - Icelandic Road and Coastal Administration (Vegagerðin), ...
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Norway, Counties of Oslo, Akershus, Innlandet, Trøndelag

no/277
Railway

Client / Awarding Authority - Bane NOR Norway Website: https://www.banenor.no Award date: ...
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Vietnam, National

vn/29
High Speed Railway

Client / Awarding Authority - Ministry of Construction of Vietnam Website: ...
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Germany, Bavaria

de/114
Road

Mueller + Hereth Ingenieurbüro GmbH (Freilassing) has been awarded the contract for ...
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Norway, Vestland

no/252
Road and Rail

Award  Tendering Authority - Arna–Stanghelle Joint Project (A collaboration between ...
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Netherlands, Amsterdam

nl/42
Road

Tendering Authority - Rijkswaterstaat Grote Projecten en Onderhoud Griffioenlaan 2 3526 LA ...
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Norway, Vestland

no/274
Road

Tendering Authority - Norwegian Public Roads Administration (Statens vegvesen)  Procedure ...
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Italy, Calabria

it/101
Road

Client / Awarding Authority ANAS SpA Winning Contractors Lot 1: Webuild SpA ...
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Czech Republic, Prague

cz/12
Metro

Client / Awarding Authority Dopravní podnik hl. m. Prahy (DPP) Winning ...
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Norway, Vestland

no/232
Road

Client / Awarding Authority Statens vegvesen Winning Contractor Mesta AS ...
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Germany, Thuringia

de/13
Motorway

  Client / Awarding Authority Die Autobahn GmbH des Bundes – Regional Branch ...
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Switzerland, Canton Valais

ch/43
Motorway

Client / Awarding Authority USTRA (Swiss Federal Roads Office) Winning Contractor Geosat SA ...
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April 21 - 23, 2026

UITP 2026

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May 6 - 9, 2026

Samoter

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May 15 - 21, 2026

World Tunnel Congress - WTC 2026

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June 17 - 18, 2026

ITEC 2026

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September 15 - June 19

EUROCK 2026

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October 6 - 8, 2026

BTS 2026

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October 7 - 10, 2026

SAIE 2026

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October 7 - 10, 2026

Geofluid

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October 12 - 14, 2026

AFTES International Congress

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November 30 - December 2

ISAVFT 2026

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3nd Roads, Bridges & Tunnels KSA 2026 Conference
Eleng Automation B2B
WTC 2026

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