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Seikan Tunnel

Sector: Mass Transit • Location: Japan

Source: We Build Value

Project
Completed

A partially underwater tunnel in Japan stretching approximately 53.85 kilometers, with 23.3 kilometers running beneath the Tsugaru Strait, reaching about 100 meters below the seabed. It accommodates up to around 50 trains per day, including the Shinkansen, ensuring freight and passenger transport between Honshū and Hokkaidō.

Status
Closed
Sector
Mass Transit, Rail, Tunnel
Location
Japan
Updated
22 Jul 2026
Source
We Build Value

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Project Information FAQ

Project Information

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The project “Seikan Tunnel” is an infrastructure initiative in the Mass Transit sector, located in Japan. Taiyo aggregates data on it from We Build Value.

Participants

Not available for this record.

Status

Original status

completed

Taiyo status

Closed

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

A partially underwater tunnel in Japan stretching approximately 53.85 kilometers, with 23.3 kilometers running beneath the Tsugaru Strait, reaching about 100 meters below the seabed. It accommodates up to around 50 trains per day, including the Shinkansen, ensuring freight and passenger transport between Honshū and Hokkaidō.

Original sector

Transport

Location

Country

Japan

Source

Source

We Build Value

URL

More Details

Record type

Project

Sector

Mass Transit, Rail, Tunnel

Article published date

2025-09-16

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