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HomeBUSINESSThe World's Longest Tunnel: An Engineering Wonder Linking Italy and Switzerland

The World’s Longest Tunnel: An Engineering Wonder Linking Italy and Switzerland

The Alps in Europe made travel difficult for people and commodities for a very long time


The Gotthard Base Tunnel, a monument to human technical skill and perseverance, is located deep into the European Alps. It is the longest railway and deepest traffic tunnel on Earth, spanning an astounding 57 kilometers (35.5 miles). This amazing engineering achievement, which connected the gorgeous landscapes of Switzerland and Italy. Over the course of 17 years, revolutionized how we cross the Alps for all time.

The European Alps have long been a barrier to the free flow of people and commerce. This led to issues in Switzerland because the majority of passing cars there merely continued on without halting.

Innovative Effort

In order to overcome the difficulties presented by the Alpine topography. For years, the area has been a bottleneck for goods and people travelling between northern and southern Europe. The need for a more effective and dependable link was obvious given the numerous curvy, winding highways and mountain passes that were vulnerable to inclement weather.

Grand Attempt

This enormous undertaking’s construction began in 1996 and was not finished until 2016. To drill through the solid rock of the Swiss Alps, an army of engineers, workers, and cutting-edge technology were needed. Trains travelling in opposite directions can use a single track in each of the two distinct tubes that make up the tunnel. Cross-passages connect these tubes at regular intervals, assuring accessibility and safety.

Amazing Engineering

The tunnel plunges to an astounding 2.3 kilometres (1.4 miles) below the surface at its lowest point. This depth guarantees that the tunnel stays considerably below the Alpine permafrost layer while also enabling a rather gentle gradient. A sophisticated ventilation system continuously analyses and modifies conditions to preserve air quality and safety within the tunnel. It is essential to ensuring the safety of the crew and passengers while in transit.

Fast trains can travel through the tunnel, allowing for much quicker travel between Zurich and Milan. This has benefited the region’s economy by enhancing both freight transportation and passenger convenience.

A Change-Maker

The Gotthard Base Tunnel revolutionised the way people travel around Europe. It has better trade, increased regional cohesion, and lessened the environmental impact of trans-Alpine travel. Additionally, it serves as an example of human creativity. And achieved when vision, determination, and engineering skill are brought together.

Visitors to this feat of contemporary engineering enjoy not only a trip through the world’s longest tunnel. But also a representation of development and innovation. The Gotthard Base Tunnel left an imprint on the map of human achievement. About the  infrastructure, as it continues to function as a crucial route between Switzerland and Italy.



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