Bullet Trains To Run Through India's First 'Undersea' Tunnel: Details

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India's first ever Bullet train line between Ahmedabad and India's financial capital of Mumbai just got a whole lot more interesting.

According to the report presented by the Japanese International Cooperation Agency (JICA) to the Rail Ministry, the new bullet train will run through India's first ever undersea tunnel.

Bullet Train between Mumbai And Ahmedabad

The 508-kilometer long bullet train line between Ahmedabad and Mumbai will dive into the Arabian Sea at Thane Creek as the high-speed trains blast north towards Virar.

Longest Tunnel In India

At 21-kilometers in length the new undersea tunnel will be the longest ever tunnel constructed in India ahead of the 11-kilometer long Pir Panjal tunnel in Jammu and Kashmir.

Image Source - Wikimedia Sources


High Speed Trains

Trains will run at average speed of 320km/h throughout the line and will max out at 350km/h.

This will cut journey time between Mumbai and Ahmedabad down by four hours to just two hours.

The Duronto between the two cities takes 6 hours to complete the journey.

Not The World Record Holder

The tunnel at Thane Creek isn't the longest or the deepest railway tunnel in the world though. Let's take a look at those world record holders.

Image Source - Wikimedia Commons

Seikan Tunnel - World's Deepest Undersea Rail Tunnel

The record For the World's deepest railway tunnel is held by the Seikan tunnel that connects the Japanese islands of honshu in the south to Hokkaido in the north.

The tunnel is actually buried 100 meters under the sea bed and sits 240 meters under sea level.

Image Source - Wikimedia Commons

Station Inside The Tunnel - Also A Record Holder

The Seikan tunnel also features what was once the deepest underground station in the world. The Yoshioka-Kaitei Station served as a passenger station till August 27, 2006 but still serves as an emergency escape point.

Image Source - Wikimedia Commons

Not The Longest Underwater Tunnel

Despite being 53.85 kilometres, the Seikan Tunnel is not totally underwater. Only 23.3 kilometres of the tunnel is underwater which means it misses out on the record for the world's longest underwater tunnel to the Channel Tunnel.

Image Source - Wikimedia Commons

The Chunnel - The Longest Undersea Railway Tunnel

The Channel Tunnel, or the ‘Chunnel' as it is popularly known, connects Folkestone, Kent, in the United Kingdom, with Coquelles, Pas-de-Calais, near Calais in northern France.

Image Source - Wikimedia Commons

Travels Under The English Channel

The Channel tunnel (also called Euro Tunnel) is 53.85 kilometres long out of which 37.9 kilometers is located under the seabed of the English Channel which splits England and France.

Image Source

Tunnel Boring Machine Was Sold On Ebay

11 tunnel boring machines were used to build the Channel tunnel. One now sits under the tunnel while another was sold on eBay for £39,999 (around Rs. 37.94 lakhs) in 2004.

Image Source - Wikimedia Commons

China To The US Under The Ocean

However, it may not hold the record if China's proposed 12875 kilometre long tunnel to the US is ever approved.

Image Source - Wikimedia Commons


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Story first published: Thursday, April 21, 2016, 16:07 [IST]
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