Commission Implementing Decision (EU) 2025/1715 of 30 July 2025 laying down detailed rules for the application of Regulation (EU) 2024/1679 of the European Parliament and of the Council as regards the implementation of the Lyon-Turin cross-border project on the Mediterranean European Transport Corridor (notified under document C(2025) 5111)

• CELEX: Implementing Decision (EU) 2025/1715
• Articles: 7

Article 1 Subject matter

This Decision lays down the actions and the timetable for the implementation of the cross-border rail project and its related access lines linking the urban nodes of Lyon and Turin (the ‘project’), as well as related governance provisions.

Article 2 Actions

France and Italy shall ensure the implementation of the following actions in accordance with the timetable set out in Article 3:

(a)

the cross-border section of the tunnel together with the connecting stations of Saint Jean de Maurienne and Susa.

(b)

access lines on the Italian territory, composed of:

(i)

upgrading of the existing conventional line – Bussoleno-Avigliana section:

—

Lot 1: Realization of new technological installations for the management of the traffic on the Bussoleno - Avigliana section;

—

Lot 2: Elimination of two level crossings at Borgone Susa;

—

Lot 3: Implementation of the Technical Specifications for Interoperability for Persons with Reduced Mobility in the stations of Sant’Ambrogio, Borgone and Bruzolo;

—

Lot 4: Construction of two priority tracks with 750 m long modules, one in Condove and one Bruzolo;

—

Lot 5: Adaptation of the line power supply system through the construction of two new electrical substations,one in Avigliana and one in Borgone;

—

Lot 6: Demolition of 281 piles of the primary electric line 66 kV;

—

Lot 7: Acoustic mitigation;

—

Lot 8: involves the complete replacement of the current electric traction line, the Rete Ferroviaria Italiana standard one, between the Bussoleno and Avigliana stations with a 540 sq mm section and the addition of a 230 sq mm reinforcement feeder, necessary for the correct operation of the line according to the planned future train traffic;

(ii)

construction of the new line Avigliana-Orbassano section;

(iii)

rearrangement of the Orbassano marshalling yard including south junction;

(iv)

connectivity within the Turin railway urban node:

—

completion of the Turin railway bypass, Porta Susa - Stura section;

—

upgrading of the high-speed line between Porta Susa and Porta Nuova, new 4,5 km long independent double-track line, and construction of a number of new stops in the Turin railway system;

—

speeding up the Turin-Genoa line;

—

infrastructural and technological upgrading of the Turin railway urban node and related lines, and renewal of the centralized circulation management systems or insertion of new centralized circulatio management systems;

—

new railway bypass from Orbassano to Settimo Torinese - phase 1b “Gronda Merci”.

(c)

access lines on the French territory composed of:

(i)

upgrading of the existing conventional line Ambérieu – Saint-Jean-de-Maurienne;

(ii)

connectivity within the Lyon agglomeration – Lyon railway bypass between Saint-Pierre-de-Chandieu and Dagneux;

(iii)

construction of the new line between Lyon and Saint-Jean-de-Maurienne:

—

mixed passenger and freight railway line between Grenay and Avressieux;

—

new freight railway line between Avressieux and Montmélian;

—

new freight railway line between Montmélian and Saint-Jean-de-Maurienne.

Article 3 Timetable

1.   The timetable for the actions referred to in Article 2 point (a), shall be the following:

(a)

In 2025: start of mechanized excavation of the first French lot of the base tunnel (operational construction site 7) – France.

(b)

by the end of 2026/early 2027: start of mechanized excavation of the other lots of the base tunnel (operational construction sites 3-4-5-6) – France and Italy.

(c)

by 2028: end of civil works at the entrance section - Saint Martin La Porte (operational construction site 8) – France.

(d)

by 2027: contract award proposal of railway and non-railway installations (operational construction site 12) – France and Italy.

(e)

by 2028: start of the interconnection tunnel excavation with traditional method in Bussoleno (operational construction site 1) – Italy.

(f)

by 2029: start of civil works at Susa international station (operational construction site 2) –Italy.

(g)

by 2030: end of civil works of the multimodal exchange hub at Saint-Jean-de-Maurienne international station (operational construction site 9) – France.

(h)

by 2031: completion of the base tunnel excavation on the French and Italian sides (operational construction sites 3-4-5-6-7-8) – France and Italy.

(i)

by 2031: completion of the Saint-Jean-de Maurienne international station with related ancillary infrastructure; starting of the construction of the Susa international station equipment (operational construction sites 9 and 2) – France and Italy.

(j)

By 31 December 2032: completion of the railway infrastructure for mixed traffic, in compliance with the TEN-T parameters set out in Regulation (EU) 2024/1679 – France and Italy.

(k)

By 2033: operational installation ERTMS Level 2 – France and Italy.

2.   The timetable for the actions referred to in Article 2, point (b), shall be the following:

(a)

upgrading the existing conventional line Bussoleno-Avigliana section: end of works between 2026-2032.

(b)

construction of the new line Avigliana-Orbassano:

(i)

environmental assessment and permits obtained between 2024-2025;

(ii)

start of works by 2026;

(iii)

end of works by 2033.

(c)

rearrangement of the Orbassano marshalling yard including South Junction, first phase, Turin side, by 2026.

(d)

connectivity within the Turin railway urban node:

i)

Porta Susa - Stura section: concluded at 98 % (completion expected by 2025)

(ii)

Porta Susa- Porta Nuova section: completion by 2028;

(iii)

Turin-Genoa line: by 2027 (first phase):

—

completion of the technological adaptation of the systems of the CCS Subsystem of the Trofarello-Alessandria section with the construction of the ACCM-SCCM in sub-phases;

—

completion of the ACC of the Villafranca station;

—

completion of the new ACC of Asti.

3.   The timetable for the actions referred to in Article 2, point (c), shall be the following:

(a)

upgrading the existing conventional line Ambérieu – Saint-Jean-de-Maurienne:

(i)

preliminary studies, including a socio-economic analysis by the middle of 2025;

(ii)

start of works on first operations by 2027;

(iii)

design studies by the end of 2028;

(iv)

administrative procedures for land acquisition by the end of 2028;

(v)

environmental assessment by the end of 2028;

(vi)

final studies by the end of 2029;

(vii)

end of works by 2033:

—

modification of access to the Aiton platform

—

capacity improvements at Aix-les-Bains

—

capacity improvements at Chambéry

—

grade separation in Montmélian

—

securing the Lac du Bourget

—

securing level crossings

—

reinforcement of fixed Installations for Electric Traction.

(b)

connectivity within the Lyon agglomeration – Lyon railway bypass between Saint-Pierre-de-Chandieu and Dagneux:

(i)

detailed design studies by the end of 2027

(ii)

environmental assessment

(iii)

final studies

(iv)

land acquisition in line with study and construction schedule

(v)

works

(c)

construction of the new lines between Lyon and Saint-Jean-de-Maurienne in line with parameters of the ‘grand gabarit’ as the main scenario explored at this stage:

(i)

detailed design studies on the following operations, including a socio-economic analysis and studies related to reconnaissance works by mid-2028 (French accesses to the Lyon-Torino rail tunnel – detailed studies - APD):

—

mixed line between Grenay and Avressieux;

—

improvements at Ambérieu station;

—

new freight railway line between Avressieux and Montmélian including a single-track freight tunnel under the Chartreuse massif, for which detailed design studies will be carried out in parallel with the construction of the reconnaissance structures;

—

doubling the connection at Montmélian station;

—

new freight railway line between Montmélian and Saint-Jean-de-Maurienne including single-track freight tunnels under the Belledonne massif and the Glandon massif, for which detailed design studies will be carried out in parallel with the construction of the reconnaissance structures;

(ii)

Environmental assessment

(iii)

Construction of reconnaissance structures

(iv)

Final studies

(v)

Land acquisition in line with study and construction schedule

(vi)

Works.

Article 4 Governance

The European Coordinator for the Mediterranean European Transport Corridor and a representative of the Commission shall be invited to participate as observers in the meetings of the Board of Directors of the Tunnel Euralpin Lyon Turin as well as the meetings of the Intergovernmental Commission Lyon-Turin (CIG).

Article 5 Reporting

France and Italy shall report at least once a year to the Commission and to the European Coordinator for the Mediterranean European Transport Corridor on the progress in implementing the actions referred to in Article 2 and shall notify any delay encountered, specifying the causes for the delay and indicating the corrective measures taken. For this purpose, France and Italy may use, when appropriate, the content of the Annual Status Reports to be submitted under the Connecting Europe Facility Grant Agreements.

Article 6 Review

The Commission shall start a review of the actions and of the timetable referred to in Articles 2 and 3 by the end of 2026.

Article 7 Addressees

This Decision is addressed to the French Republic and the Italian Republic.