The longest railway tunnels in the world
Contents |
[edit] Introduction
The world’s lengthiest railway tunnel, the Gotthard Base Tunnel (GBT) opened for business following its inauguration in June 2016. Seventeen years in construction, and a world-record 57.1 km in length, the tunnel admitted its first trains in December 2016.
Its construction was a phenomenal feat of engineering, involving around 2,400 workers and with 28.2 million tonnes of material excavated. At a cost of around 12.5 billion Swiss francs (or $12.6 in US currency), it roughly matched the budget of the London 2012 Olympics and used around 4 million cubic metres of concrete (or 84 Empire State Buildings).
Carving its way through the Alps, the tunnel was built to reduce train journey times significantly and provide a major increase in rail freight capacity.
[Image: AFP]
“It is just part of the Swiss identity,” federal transport office director Peter Fueglistaler explained to Reuters. “For us, conquering the Alps is like the Dutch exploring the oceans.”
[edit] Other terrific tunnels
The GBT overtook Japan’s Seikan Tunnel as the world’s longest underground railway passage. This in turn pushed the Channel Tunnel into third place.
The graphic below ranks the longest rail tunnels in the world, placing them in order:
[Image: Swiss Info]
[edit] Seikan, Japan
Seikan, in second place, is the oldest tunnel featured in the graphic, completed nearly three decades ago. Of its 54 km total length, some 23 km is under the sea. The tunnel connects Honshu and Hokkaido Islands in the north of Japan.
[edit] The Channel Tunnel, Europe
Linking France and the United Kingdom, Queen Elizabeth II and President Mitterrand opened the tunnel in 1994. At a final cost of £9 billion, more than 13,000 French and British workers collaborated to make the tunnel a reality.
[Image: BBC]
[edit] Yulhyeon, South Korea
The Yulhyeon Tunnel took just three and a half years to complete and is part of the Suseo High Speed Railway. The line connects Suseo Station in Seoul and Pyeongtaek 61.1 km to the south. Opened in the summer of 2015, the tunnel takes fourth place on the list.
[Image: Korea.net]
[edit] Lötschberg Base Tunnel, Switzerland
Another Swiss tunnel takes fifth place. One-third of the New Rail Link through the Alps (NRLA), alongside the GBT and the Ceneri Base Tunnel (due to open in 2020), the Lötschberg Base Tunnel opened in 2007.
[edit] New Guanjiao, China
A land-based tunnel through the Guanjiao mountains, it connects Xining and Golmud. It’s 32.6 km long and was opened in 2014.
[edit] Guadarrama, Spain
At 28.4 km long, the Guadarrama rail tunnel is part of the Madrid-Valladolid line opened in 2007. Trains can travel through it at over 310 km per hour, significantly reducing travel times.
This article was written by Joe Myers, Formative Content, World Economic Forum.
This article was also published on the Future of Construction Knowledge Sharing Platform and the WEF Agenda Blog.
--Future of Construction 10:56, 19 Jun 2017 (BST)
[edit] Related articles on Designing Buildings Wiki
Featured articles and news
The need for a National construction careers campaign
Highlighted by CIOB to cut unemployment, reduce skills gap and deliver on housing and infrastructure ambitions.
AI-Driven automation; reducing time, enhancing compliance
Sustainability; not just compliance but rethinking design, material selection, and the supply chains to support them.
Climate Resilience and Adaptation In the Built Environment
New CIOB Technical Information Sheet by Colin Booth, Professor of Smart and Sustainable Infrastructure.
Turning Enquiries into Profitable Construction Projects
Founder of Develop Coaching and author of Building Your Future; Greg Wilkes shares his insights.
IHBC Signpost: Poetry from concrete
Scotland’s fascinating historic concrete and brutalist architecture with the Engine Shed.
Demonstrating that apprenticeships work for business, people and Scotland’s economy.
Scottish parents prioritise construction and apprenticeships
CIOB data released for Scottish Apprenticeship Week shows construction as top potential career path.
From a Green to a White Paper and the proposal of a General Safety Requirement for construction products.
Creativity, conservation and craft at Barley Studio. Book review.
The challenge as PFI agreements come to an end
How construction deals with inherited assets built under long-term contracts.
Skills plan for engineering and building services
Comprehensive industry report highlights persistent skills challenges across the sector.
Choosing the right design team for a D&B Contract
An architect explains the nature and needs of working within this common procurement route.
Statement from the Interim Chief Construction Advisor
Thouria Istephan; Architect and inquiry panel member outlines ongoing work, priorities and next steps.
The 2025 draft NPPF in brief with indicative responses
Local verses National and suitable verses sustainable: Consultation open for just over one week.
Increased vigilance on VAT Domestic Reverse Charge
HMRC bearing down with increasing force on construction consultant says.
Call for greater recognition of professional standards
Chartered bodies representing more than 1.5 million individuals have written to the UK Government.