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Japan–Korea Undersea Crossing

Sector: Tunnel

Source: Colorado Biz

Project
Proposed

The Japan–Korea Undersea Crossing is a proposed bridge-tunnel project to connect Japan with South Korea, with cost estimates exceeding $90 billion.

Status
Prospective
Sector
Tunnel, Bridge
Updated
22 Jul 2026
Source
Colorado Biz

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Project Information

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The project “Japan–Korea Undersea Crossing” is an infrastructure initiative in the Tunnel sector. Taiyo aggregates data on it from Colorado Biz.

Participants

Not available for this record.

Status

Original status

proposed

Taiyo status

Prospective

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

The Japan–Korea Undersea Crossing is a proposed bridge-tunnel project to connect Japan with South Korea, with cost estimates exceeding $90 billion.

Budget

Location

Not available for this record.

Source

Source

Colorado Biz

URL

More Details

Record type

Project

Sector

Tunnel, Bridge

Article published date

2025-03-20

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