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BUSINESS - EDITORIAL

Longest Tunnels in the World

Tunnels figuratively represent difficulty, and the light at the end represents hope. But in real life, tunnels are the victories of engineering against nature. Let's take a look at the longest tunnels in the world.

Saturday, April 4, 2020
Longest Tunnels in the World

Longest Tunnels in the World

BUSINESS - EDITORIAL

by Mehmet Kaplan

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Tunnels sometimes go under the sea and reach the opposite shore, and sometimes pass through the magnificent mountains and keep the road going. Some are shorter than ten meters, while others continue for kilometers. Some are built exclusively for rail transport systems, while others ensure the flow of vehicle traffic. In fact, most of the longest tunnels in the world were built for water distribution. Metro systems are another long tunnel system. There are many different types, sizes, and lengths of tunnels, but the common feature of all is that they are the result of the use of human intelligence and engineering to overcome difficult natural conditions.

Whether it is rail, road, metro, or water supply tunnel, building a tunnel is a very difficult and demanding process. However, the advantages it brings are so great that building a tunnel is very efficient, albeit difficult. The operational management required for both the building process and keeping the tunnel safe and functional is very difficult. And in the longest tunnels in the world, this difficulty manifests itself in a completely different dimension. Gas accumulation, the risk of natural disasters, reaching the scene in possible accidents, lighting, and many more challenges that we never think of all occur even more prominently when it comes to the world's longest tunnels.

Whether they are built for vehicles, subways, trains or high-speed trains, tunnels are the construction wonders we always look forward to getting out of. We have put together the longest tunnels in the world and listed them for you. Although they are not among the longest tunnels in the world, we use many tunnels while driving in our daily lives. As we enter the tunnels, let's turn on your car headlights, check the speed and follow the speed rules, and be prepared for the sudden light intensity at the tunnel exit.

Longest Tunnels in the World - Water supply
Rank
Tunnel Name
Country
Length (m)
1
Delaware Aqueduct
New York State, United StatesNew York State, United States
137,000
2
Paijanne Water Tunnel
Southern Finland, FinlandSouthern Finland, Finland
120,000
3
Dahuofang Water Tunnel
Liaoning Province, ChinaLiaoning Province, China
85,320

Longest Tunnels in the World - Metro
Rank
Tunnel Name
Country
Length (m)
1
Guangzhou Metro Line 3
Guangzhou, ChinaGuangzhou, China
60,400
2
Beijing Subway Line 10
Beijing, ChinaBeijing, China
57,100
3
Seoul Subway: Line 5
Seoul, South KoreaSeoul, South Korea
47,600

Longest Tunnels in the World - Railway
Rank
Tunnel Name
Country
Length (m)
1
Gotthard Base Tunnel
Central Swiss Alps, SwitzerlandCentral Swiss Alps, Switzerland
57,104
2
Seikan Tunnel
Tsugaru Strait, JapanTsugaru Strait, Japan
57,100
3
Channel Tunnel
English Channel, United Kingdom/FranceEnglish Channel, United Kingdom/FranceEnglish Channel, United Kingdom/France
50,450

Longest Tunnels in the World - Road
Rank
Tunnel Name
Country
Length (m)
1
Laerdal Tunnel
Laerdal - Aurland, NorwayLaerdal - Aurland, Norway
24,510
2
Yamate Tunnel
Tokyo, JapanTokyo, Japan
18,200
3
Zhongnanshan
ChinaChina
18,040