![30 years on, world's longest undersea tunnel faces challenges as Japan balances bullet trains with freight | The Japan Times 30 years on, world's longest undersea tunnel faces challenges as Japan balances bullet trains with freight | The Japan Times](https://cdn-japantimes.com/wp-content/uploads/2018/03/n-tunnel-g-20180315.jpg)
30 years on, world's longest undersea tunnel faces challenges as Japan balances bullet trains with freight | The Japan Times
![30 years on, world's longest undersea tunnel faces challenges as Japan balances bullet trains with freight | The Japan Times 30 years on, world's longest undersea tunnel faces challenges as Japan balances bullet trains with freight | The Japan Times](https://cdn-japantimes.com/wp-content/uploads/2018/03/n-tunnel-a-20180315.jpg)
30 years on, world's longest undersea tunnel faces challenges as Japan balances bullet trains with freight | The Japan Times
![Historrror on Twitter: "3/13/1988 Worlds Longest and Deepest Railway Tunnel: #Japan's Seikan Tunnel, Between the Japanese Islands of Aomori and Hakodate, Opens to Traffic #SeikanTunnel https://t.co/FSMNjVxt7I https://t.co/jVbnlllOaF" / Twitter Historrror on Twitter: "3/13/1988 Worlds Longest and Deepest Railway Tunnel: #Japan's Seikan Tunnel, Between the Japanese Islands of Aomori and Hakodate, Opens to Traffic #SeikanTunnel https://t.co/FSMNjVxt7I https://t.co/jVbnlllOaF" / Twitter](https://pbs.twimg.com/media/D1lP2MyWsAIJ3N1.jpg)
Historrror on Twitter: "3/13/1988 Worlds Longest and Deepest Railway Tunnel: #Japan's Seikan Tunnel, Between the Japanese Islands of Aomori and Hakodate, Opens to Traffic #SeikanTunnel https://t.co/FSMNjVxt7I https://t.co/jVbnlllOaF" / Twitter
![2. Get the Shinkansen to run through the undersea tunnel.| DISCOVERY LIFELINES TOP | About the Meidensha Corporation | MEIDENSHA CORPORATION 2. Get the Shinkansen to run through the undersea tunnel.| DISCOVERY LIFELINES TOP | About the Meidensha Corporation | MEIDENSHA CORPORATION](https://www.meidensha.com/knowledge/know_05/dll/page2/images/map.jpg)