Seikan Tunnel Description, History, Construction, & Facts
![](https://cdn.britannica.com/36/164936-050-22B2772F/Honshu-Seikan-Tunnel-tunnel-island-Hokkaido-Japan.jpg)
![](https://media.gettyimages.com/id/965770848/photo/construction-du-tunnel-de-seikan-le-plus-long-tunnel-ferroviaire-sous-marin-creuse-sous-le.jpg?s=612x612&w=gi&k=20&c=OeS_Fo6U6nFWbow_33vXEzwNlRS1-7Iu2mZ6NWWs98I=)
116 Seikan Tunnel Stock Photos, High-Res Pictures, and Images - Getty Images
![](https://www.pbs.org/wgbh/buildingbig/wonder/structure/images/seikan_tunnel_1.jpg)
BUILDING BIG: Databank: Seikan Tunnel
![](https://upload.wikimedia.org/wikipedia/commons/8/87/Seikan_Tunnel_entrance_-_dual-gauge_track.jpg)
Seikan Tunnel: Most Up-to-Date Encyclopedia, News & Reviews
![](https://www.shimz.co.jp/works/images/1978/jp_rail_197811_seikantunnel_main_01.jpg)
Seikan Tunnel Mitake Construction Zone, Projects
![](https://cdn.britannica.com/36/164936-050-22B2772F/Honshu-Seikan-Tunnel-tunnel-island-Hokkaido-Japan.jpg)
Seikan Tunnel, Description, History, Construction, & Facts
![](https://acropolis-wp-content-uploads.s3.us-west-1.amazonaws.com/seikan-tunnel.png)
10 Longest Tunnels in the World
![](https://upload.wikimedia.org/wikipedia/commons/thumb/3/33/Seikan_Tunnel_3d_cross_section_1a.svg/2560px-Seikan_Tunnel_3d_cross_section_1a.svg.png)
File:Seikan Tunnel 3d cross section 1a.svg - Wikipedia
![](https://ars.els-cdn.com/content/image/1-s2.0-S2095809918302388-gr3.jpg)
Long Undersea Tunnels: Recognizing and Overcoming the Logistics of Operation and Construction - ScienceDirect
THE SEIKAN TUNNEL. INTRODUCTION, by Civil Engineering Consortium IIT Roorkee