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Shantou Bay Undersea Tunnel

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Source: Xinhua

Project
Under Construction

The Shantou Bay undersea tunnel is the world's first single-hole double-track undersea tunnel, designed for a speed of 350 km per hour. It spans 9,781 meters and is part of the Shantou-Shanwei high-speed railway project. The tunnel was successfully broken through on March 27, 2025.

Status
Under Construction
Sector
Tunnel, Rail, Mass Transit
Location
Shantou, Guangdong, China
Updated
22 Jul 2026
Source
Xinhua

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The project “Shantou Bay Undersea Tunnel” is an infrastructure initiative in the Tunnel sector, located in Shantou, Guangdong, China. Taiyo aggregates data on it from Xinhua.

Participants

Company

Status

Original status

under construction

Taiyo status

Under Construction

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

The Shantou Bay undersea tunnel is the world's first single-hole double-track undersea tunnel, designed for a speed of 350 km per hour. It spans 9,781 meters and is part of the Shantou-Shanwei high-speed railway project. The tunnel was successfully broken through on March 27, 2025.

Location

Country

China

State

Guangdong

City

Shantou

Source

Source

Xinhua

URL

More Details

Record type

Project

Sector

Tunnel, Rail, Mass Transit

Article published date

2025-04-05

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