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India's First Twin-Tube Underwater Road-Cum-Rail Tunnel Under Brahmaputra

One of 4,200 projects Taiyo tracks in Assam.

Source: Dailyhunt

Project
Planned

The project involves constructing India's first twin-tube underwater road-cum-rail tunnel beneath the Brahmaputra River in Assam. It includes a 4-lane access-controlled greenfield highway from Gohpur on NH-15 to Numaligarh on NH-715, featuring a 15.79-km twin-tube Tunnel Boring Machine (TBM) road tunnel under the river. One tube will integrate railway infrastructure, with a total project length of

Status
Prospective
Sector
Mass Transit, Rail, Tunnel, Road
Location
Assam, India
Updated
22 Jul 2026
Source
Dailyhunt

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Project Information

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The project “India's First Twin-Tube Underwater Road-Cum-Rail Tunnel Under Brahmaputra” is an infrastructure initiative in the Mass Transit sector, located in Assam, India. Taiyo aggregates data on it from Dailyhunt.

Participants

Not available for this record.

Status

Original status

planned

Taiyo status

Prospective

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

The project involves constructing India's first twin-tube underwater road-cum-rail tunnel beneath the Brahmaputra River in Assam. It includes a 4-lane access-controlled greenfield highway from Gohpur on NH-15 to Numaligarh on NH-715, featuring a 15.79-km twin-tube Tunnel Boring Machine (TBM) road tunnel under the river. One tube will integrate railway infrastructure, with a total project length of 33.7 km executed on an EPC mode. The project aims to enhance connectivity, freight efficiency, and socio-economic development in the region.

Original sector

Transportation

Budget

Location

Country

India

State

Assam

Source

Source

Dailyhunt

URL

More Details

Record type

Project

Sector

Mass Transit, Rail, Tunnel, Road

Article published date

2026-05-26

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