French section of Lyon-Turin: verdict from Brussels in mid-July

French section of Lyon-Turin: verdict from Brussels in mid-July
French section of Lyon-Turin: verdict from Brussels in mid-July

Early 2025 should mark the start of the detailed preliminary design (APD) studies for the French access routes from Lyon to Turin. Finally! The French section, declared of public utility in 2013, is well behind the cross-border section, which corresponds to the 57.5-kilometre international base tunnel, and the Italian section, which should be put into service in 2032.

But this launch remains subject to the Green light from Brussels on the payment of the 90 million euros needed to complete the co-financing. Indeed, the total cost of the APD studies amounts to 220 million euros, including 170 million euros for the French access routes of Lyon-Turin and 50 million euros for the Lyon metropolitan area rail bypass (CFAL).

The State has committed to unlock 85 million euros and local authorities have provided 33 million euros for the Auvergne-Rhône-Alpes Region, 3 million euros for the Savoie Department, 1.5 million euros for the Rhône Department, 5 million euros for the Lyon Metropolitan Area (only for the CFAL), 1 million euros for the Annecy Agglomeration, 1 million euros for the Grenoble Metropolitan Area, 450,000 euros for Greater Chambéry and 300,000 euros for the Grand Lac Agglomeration Community.

Lyon-Turin: a so-called “large gauge” route geared towards freight

Present at the general meeting of the Committee for the Transalpine On July 2, Matthieu Chabanel, CEO of SNCF Réseau, clarified the issues of these in-depth studies ofa period of three yearsThe technical, environmental, social and financial studies program must make it possible to define the precise route, work on landscape integration, draw up the budget, prepare the work, etc.

“This detailed analysis will demonstrate the interest in extending the DUP, but will also open a phase of consultation and communication to gain support for the project”added the CEO of SNCF Réseau.

The chosen route, called “large gauge”, favors freight with a capacity of 28.2 million tonnes of goods per yearHowever, the project should also benefit traffic in Rhône-Alpes with real local benefits.

Positive repercussions for everyday TERs

In any case, this is the message that he wanted to convey Matthew Chabanel. “This scenario will make it possible to relieve congestion on the existing network and free up capacity for the development of Metropolitan Regional Express Services (SERM)”he stressed. The chosen route provides for the creation of 120 kilometers of new lines, including 70 kilometers underground for a estimated cost of 7.2 billion euros.

This route is marked out six tunnelsincluding two single-tube tunnels under Chartreuse and under Belledonne, respectively 24.7 kilometers and 19.7 kilometers long, six viaducts over 300 meters long, four connection zones to the existing network and four motorway crossings.

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