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Mont Blanc Tunnel Rehabilitation and Doubling Project

Sector: Tunnel • Location: Valle d'Aosta, Italy/France

Source: Il Sole 24 ORE

Project
Planned

The Mont Blanc tunnel will be closed for three months a year for 18 years due to maintenance problems. There is a proposal to build a second tunnel alongside the historic one to double capacity, but France has opposed this project. The Italy-France Intergovernmental Commission will decide on rehabilitation options including quarterly closures or total closure for a few years.

Status
Prospective
Sector
Tunnel
Location
Valle d'Aosta, Italy/France
Updated
22 Jul 2026
Source
Il Sole 24 ORE

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Project Information

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The project “Mont Blanc Tunnel Rehabilitation and Doubling Project” is an infrastructure initiative in the Tunnel sector, located in Valle d'Aosta, Italy/France. Taiyo aggregates data on it from Il Sole 24 ORE.

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 Mont Blanc tunnel will be closed for three months a year for 18 years due to maintenance problems. There is a proposal to build a second tunnel alongside the historic one to double capacity, but France has opposed this project. The Italy-France Intergovernmental Commission will decide on rehabilitation options including quarterly closures or total closure for a few years.

Original sector

Transport

Location

Country

Italy/France

State

Valle d'Aosta

Source

Source

Il Sole 24 ORE

URL

More Details

Record type

Project

Sector

Tunnel

Article published date

2026-05-18

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