Daishimizu Tunnel
Encyclopedia
The is a railway tunnel on the Jōetsu Shinkansen
on the border of Gunma Prefecture
and Niigata Prefecture
, Japan.
In 1978, the Dai-Shimizu tunnel was completed. This tunnel was dug for the Jōetsu Shinkansen that was to be completed in 1982. This tunnel was the world's longest tunnel at 22,200 m. During the construction, there was a fire, which caused large amount of smoke to occur in the tunnel. Sixteen workers died from carbon monoxide poisoning
. When this tunnel was completed, the time between Niigata and Tokyo went down to approximately one hour and forty minutes, three hours faster than using the Jōetsu Line
.
Also, when this tunnel was built, natural water was found during construction, and is sold in bottles.
Joetsu Shinkansen
The is a high-speed railway line connecting Tokyo and Niigata, Japan, via the Tōhoku Shinkansen, operated by the East Japan Railway Company .-History:The program was initiated in 1971 by Niigata-born prime minister Tanaka Kakuei...
on the border of Gunma Prefecture
Gunma Prefecture
is a prefecture of Japan located in the northwest corner of the Kantō region on Honshu island. Its capital is Maebashi.- History :The remains of a Paleolithic man were found at Iwajuku, Gunma Prefecture, in the early 20th century and there is a public museum there.Japan was without horses until...
and Niigata Prefecture
Niigata Prefecture
is a prefecture of Japan located on the island of Honshū on the coast of the Sea of Japan. The capital is the city of Niigata. The name "Niigata" literally means "new lagoon".- History :...
, Japan.
In 1978, the Dai-Shimizu tunnel was completed. This tunnel was dug for the Jōetsu Shinkansen that was to be completed in 1982. This tunnel was the world's longest tunnel at 22,200 m. During the construction, there was a fire, which caused large amount of smoke to occur in the tunnel. Sixteen workers died from carbon monoxide poisoning
Carbon monoxide poisoning
Carbon monoxide poisoning occurs after enough inhalation of carbon monoxide . Carbon monoxide is a toxic gas, but, being colorless, odorless, tasteless, and initially non-irritating, it is very difficult for people to detect...
. When this tunnel was completed, the time between Niigata and Tokyo went down to approximately one hour and forty minutes, three hours faster than using the Jōetsu Line
Joetsu Line
The is a major rail line in Japan. Part of the JR East system, it runs from Takasaki Station in Takasaki, Gunma Prefecture, to Miyauchi Station in Nagaoka, Niigata Prefecture, linking the northwestern Kantō region and the Sea of Japan coast of the Chūbu region...
.
Also, when this tunnel was built, natural water was found during construction, and is sold in bottles.