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Turin–Lyon high-speed railway

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Turin–Lyon high-speed railway
Status at the end of December 2018
Overview
StatusUnder construction
Locale Italy
 France
Technical
Line length271 km (168 mi)
Number of tracksDouble track
Track gauge1,435 mm (4 ft 8+1⁄2 in) standard gauge
Electrification25 kV 50 Hz
Operating speed220 km/h (140 mph)
SignallingERTMS Level 2
Route map
Turin–Lyon high-speed railway
Legend
LGV Rhône-Alpes
to LGV Sud-Est and Paris
 Lyon Saint-Exupéry TGV Lyon tramway Airport interchange
to Lyon Perrache
LGV Rhône-Alpes
to LGV Méditerranée and Marseille
Avressieux
Culoz–Modane railway
to Culoz
Chambéry-Challes-les-Eaux
Saint-Jean-de-Maurienne Arvan
Culoz–Modane railway
to Modane
Mont d'Ambin Base Tunnel
France
Italy
Susa
Torino Porta Nuova
Turin–Milan high-speed railway
to Milano Centrale
Map of the Italian (blue) and international (red) route of the new line compared to the traditional one (black)
Map of the French (green and blue) and international (red) route of the new line compared to the existing one (black)

The Turin–Lyon high-speed railway is an international rail line under construction between the cities of Turin and Lyon.[1][2] It is intended to link the Italian and French high-speed rail networks[3] and will be 270 km (170 mi) long. The core of the project is its 70 kilometres (43 mi) long international section, which will cross the Alps through the Mont d'Ambin Base Tunnel between the Susa Valley in Piedmont and Maurienne in Savoie.[4] At 57.5 kilometres (35.7 mi), that tunnel will be the longest rail tunnel in the world, ahead of the 57.1 km (35.5 mi) Gotthard Base Tunnel. The estimated total cost of the line is €25 billion, of which €8 billion is for the international section. The latter is the only part of the line where construction has started.[5]

Like the Swiss NRLA project, the line has twin aims of transferring freight traffic across the Alps from trucks to rail to reduce CO2 emissions as well as local air pollution and of providing faster passenger transport to reduce air traffic. The new line will considerably shorten the journey times, and its reduced gradients and much wider curves compared to the existing line will also allow heavy freight trains to transit between the two countries at 100 km/h (62 mph) and with much reduced energy costs. In spite of the name often used by media (and in the title of this page), the line is not high-speed under the definition used by the European Commission: its design speed of 220 km/h (137 mph) is 12% below the 250 km/h (155 mph) threshold used by the commission to define high-speed railways.[6] The European Union funds 40% of the tunnel costs, and has indicated its willingness to increase its contribution to 55%, as well as to help fund its French accesses if those go beyond mere adaptations of the existing infrastructure.[7][8]

The project has been criticized for its cost, because traffic (both by motorway and by rail) was decreasing when the project was decided,[9] for potential environmental risks during the construction of the tunnel,[10] and because airplanes will still, after including time to and from the airport and through security, be slightly faster over the full Milan–Paris route.[11] A 2012 report by the French Court of Audit questioned the realism of the costs estimates and traffic forecasts.[12] Opposition to the project is mostly organised under the loose banner of the No TAV movement.[10]

Civil engineering work started in 2002 with the construction of access points and geological reconnaissance tunneling.[13] A 9 km (5.6 mi) gallery tunneled between 2016 and 2019 from Saint-Martin-de-la-Porte towards Italy was presented as reconnaissance work because the project had not yet been formally approved, but it was dug at the position of the south tube of the tunnel and at its final diameter. It effectively represents the first 8% of the final tunnel length.[14][15] As of late 2022, the expected completion date for the base tunnel was 2032.[16]

Pre-construction studies

[edit]

The merits of the new line were the subject of heated debate, primarily in Italy. After violent confrontations between opponents and police during a 2005 attempt to start reconnaissance work near Susa, an Italian governmental commission was set up in 2006 to study all the issues.[17] The work of the commission between 2007 and 2009 was summarized into seven papers (Quaderni). An eighth summary paper focused on cost–benefit analysis was unveiled in June 2012.

The present high-altitude line

[edit]

Since 1872, the Turin–Modane railway connects Turin with Lyon via the 13.7 km (8.5 mi)-long high-altitude (maximum tunnel altitude 1,338 metres (4,390 ft)) Fréjus Rail Tunnel.[18] This initially single-track line was doubled and electrified in the early 20th century, and the Italian side of the line was renovated between 1962 and 1984, and again between 2001 and 2011.[19] This historical line has a low maximum allowed height, and its sharp curves force low speeds. Its very poor profile, with a maximum gradient of 30‰, requires doubling or tripling the locomotives of freight trains.

The characteristics of the line vary widely along its length. The Osservatorio (see References) divides the international and Italian sides into four sections:

The first section comprises the Fréjus tunnel and its approaches on both sides. Its high elevation (1,338 m (4,390 ft)), sharp curves, steep gradients, and low tunnel ceilings make this section the bottleneck on the overall capacity of the line. A 2007 study used the CAPRES model[20] to calculate a maximum capacity of 226 trains/day, 350 days/year, under the safety regulations applicable at the time.[21] The study foresaw a maximum traffic of 180 freight trains per day, which had to be lowered to about 150 freight trains per day due to logistical inefficiency (the traffic flows between the two countries are asymmetric). A similar analysis for the full year led to a total of about 260 peak days per year.[22] These conditions defined a maximum transport capacity per year of about 20 million tonnes when accounting for inefficiencies, and an absolute limit of about 32 million in "perfect" conditions.[23] Additional traffic limitations stem from the impact of excessive train transit on the population living near the line. Some 60,000 people live within 250 m (820 ft) of the historical line, and would object to the noise from late-night transits.[24] In 2007 the conventional line was used for only one-third of this calculated total capacity.[25] This low use level was in part because restrictions such as an unusually low maximum allowable train height and the very steep gradients (26–30‰) and sharp curves in its high valley sections discourage its use.

A 2018 analysis, by contrast, found the existing line close to saturation, largely because safety regulations now prohibit passenger and freight trains from crossing in a double-track single-tube tunnel. This very significantly reduces the maximum allowed capacity of the 13.7 km long Fréjus tunnel, which trains of one type must now fully cross before any train of the other type can be allowed in the other direction.[26] The path of the historical line through the deep Maurienne valley is also exposed to rockfalls, and a major landslide in August 2023 forced its closure for at least a year and a half.[27][28]

Traffic predictions on Frejus and Mont-Blanc corridors

[edit]
Traffic prevision by LTF (red) and BBT (green), compared to real traffic (blue) and a 2007 estimate of the capacity of existing line (pink); the 2007 capacity estimate pre-dates stricter safety regulations on train crossings in tunnels which have significantly reduced this capacity

The following table summarizes 2007 predictions (in million tons per year) of the future freight traffic on both the Frejus and Mont-Blanc corridors, from an analysis of then current data and macroeconomic predictions:[29]

Without the new line 2004 2025 2030 Annual growth
2004–2030
Alps – Total 144.0 264.5 293.4 2.8%
Alps – Rail 48.0 97.7 112.5 3.3%
Modane corridor – Total 28.5 58.1 63.8 3.1%
Modane corridor – Rail 6.5 15.8 16.4 3.6%
With the new line 2004 2025 2030 Annual growth
2004–2030
Alps – Total 144.0 264.5 293.4 2.8%
Alps – Rail 48.0 111.4 130.7 3.9%
Modane corridor – Total 28.5 63.5 76.5 3.9%
Modane corridor – Rail 6.5 29.5 39.4 7.2%
Heavy vehicles (thousand per year) 2004 2025 2030 Annual growth
2004–2030
Without the new line 1,485 2,791 3,121 2.9%
With the new line 1,485 2,244 2,447 1.9%

Promoters of the new line predict that it will about double rail traffic on the Modane corridor compared to the reference scenario (see table above). Traffic predictions of even the early traffic of major rail infrastructures are however intrinsically uncertain, with well-known examples of both overestimates (e.g. the Channel tunnel)[30] and underestimates (e.g. the TGV Est).[31] Anyway, some experts[who?] disagree with the necessity for a new line connecting France and Italy on the Modane corridor, quoting wide margins for increase in traffic on the old line.[citation needed] Rather than as a natural consequence of faster transit times and a lower price for freight shipping (due to reduced energy use thanks to a much flatter profile, but without necessarily taking into account the full construction cost of the new line), they propose to increase rail traffic by coupling additional renovation of the existing rail infrastructure with sufficiently high financial incentives for rail transport and/or sufficiently heavy tolls and taxes on road transport. The political realism of such taxes is however questionable, as France demonstrated in 2013 when its government withdrew a much smaller trucking ecotax after the trucking industry initiated extensive riots (see Bonnets Rouges). A 2018 study made this specific controversy much less relevant by finding that the existing line actually is close to saturation. This is primarily because updated safety regulations on train crossings in single-tube tunnels have significantly reduced its maximum allowed capacity.[26] The construction of a brand-new line will also allow higher safety standards, and it will make the older infrastructure fully available for regional and suburban services, which is an important consideration near the congested Turin node.[32]

New railway line

[edit]
Geothermal profile of the Turin-Lyon railway base tunnel

The new railway line will have a maximum gradient of 12.5‰, compared to 30‰ for the old line, a maximum altitude of 580 m (1,900 ft) instead of 1,338 m (4,390 ft), and much wider curves. This will allow heavy freight trains to transit at 100 km/h (62 mph) and passenger trains at a top speed of 220 km/h (140 mph), while also sharply reducing the energy used.[33] The construction of the full higher-speed line will cut passenger travel time from Milan to Paris from seven hours to four, becoming time-competitive with plane travel for city-centre to city-centre travel.[11]

The line is divided into three sections constructed under separate managements:

Due to the asymetry of the Alps, which peak much closer to the Northern Italy plain than to flat terrain in France, the 140 km French section is three times longer than its 46.7 km Italian counterpart.

French section

[edit]

The French section of the new line is planned with eventually separate paths for passengers and freight between Lyon and the Maurienne valley.

The passenger line will link the LGV Sud-Est (through a connection South of Gare de Lyon Saint-Exupéry) and the central Lyon stations to both Italy and Chambéry. It will connect near Chambéry to the Annecy via Aix les Bains and the Bourg Saint-Maurice via Albertville lines. The time gain from Paris or Lyon to Aix-les-Bains or Chambéry will be almost 45 minutes, and almost an hour to Annecy. The line may also be used to offload the saturated Lyon–Grenoble line from its TGV traffic. This would remove traffic at mismatched speeds, and therefore would free many more train paths for much needed additional local trains than the number of TGVs shifted to the new line.[34]

The freight line will start from a connection to the future Lyon rail freight bypass, follow the A43 Motorway, and will pass South of Chambéry through a tunnel under the Chartreuse Mountains. That tunnel will eventually have two 23-kilometre (14 mi) long tubes, but it will initially be single-track. The line will then reach Saint-Jean-de-Maurienne through a second 20 to 23 km (12 to 14 mi) tunnel under the Belledonne mountains. The separate freight line will divert the freight traffic away from Aix-les-Bains and Chambéry, and from the shores of the Lac du Bourget where a freight accident on the existing lakeside line could catastrophically pollute this major natural freshwater reservoir.

In January 2024, before a EU deadline for funding, the French national government and various local entities came to a last-minute agreement on their respective funding contributions to the studies of the French section.[35][34]

Italian section

[edit]

The path of the Italian section was adopted in August 2011 by the Italian government, after extensive 2006–2011 consultations headed by Government Commissary Mario Virano within the "Italian Technical Observatory". In the Susa valley, this path sidesteps through additional tunneling the strong opposition to a previous planned path on the left bank of the Dora Riparia, which would have needed a viaduct in Venaus and a tunnel in Bussoleno.

International section

[edit]

The international section of the Lyon–Turin line spans about 70 km (43 mi) between Saint-Jean-de-Maurienne in Savoie and Bussoleno in Piemonte, and it is the only part of the line on which major construction has started. The 57.5 km (35.7 mi) Mont d'Ambin base tunnel is being dug under the Mont d'Ambin and is the major engineering work of the overall future Turin–Lyon line. An underground service and rescue train station is planned around the half-way point of the tunnel, East of Modane.

Construction progress

[edit]

Civil engineering work started in 2002 with the construction of access points and geological reconnaissance tunneling.[13] Construction of the tunnel itself was at that time planned to start in 2014–2015,[36] but the project was only approved in 2015 for a cost of €25 billion, of which €8 billion is for the base tunnel.[5] The ratification of the corresponding international treaty by the parliaments of the two countries concluded with a 26 January 2017 vote of the French Senate.[37] Starting in 2016, and therefore before the ratification of the treaty, a 9 km (5.6 mi) gallery was tunneled from Saint-Martin-de-la-Porte towards Italy. While presented as a reconnaissance gallery because the project had yet to be fully approved, it was dug along the axis of the South tube of the tunnel and at its final diameter.[14] In late 2016, that tunnel encountered a geologically difficult zone of fractured and water-soaked coal-bearing schists, and for several months made only very slow progress through it.[38] Tunneling eventually passed this zone in Spring 2017 after injecting 30 tons of reinforcing resin,[39] and resumed at nominal speed.[40] That gallery makes up the first 9 km (5.6 mi) of the South tube of the tunnel,[15] and it was completed in September 2019, in time and within budget.[15][41]

The contracting for the bulk of the tunnel construction was then delayed by deep disagreements on the merits of the Turin–Lyon project within the Italian coalition government between the Five Star Movement and Lega parties, and in March 2019, Italy's Prime Minister Giuseppe Conte officially asked TELT to stop the launch of tenders for further construction work.[42] A few months later, and just before further delays would have threatened the EU funding of the project, the Italian government eventually agreed to the publication of calls for tender for the main tunneling work on the French[43][44] and Italian sides.[45] 2.8 billion euros of construction contracts had been signed as of June 2020,[46] and contracts worth a further 3 billion euros for the excavation of the 80% of the tunnel located on the French side of the border were signed in September 2021.[47] Those contracts are:[48]

  • Work Package 1 (€1.47 bn) for 22 km (13.7 mi) between Villarodin-Bourget/Modane and the Italian border is expected to take 72 months for 2 tunnel boring machines.
  • Work Package 2 (€1.43 bn) for 23 km (14.3 mi) between Saint-Martin-de-la-Porte/La Praz and Villarodin-Bourget/Modane is expected to take 65 months for 3 tunnel boring machines (10 kilometers of the South tube are already dug).
  • Work Package 3 (€228 mn) for 3 km (1.9 mi) between the Western (French) Portal at Saint-Julien-Mont-Denis and Saint-Martin-de-la-Porte; this lot is the shortest by far, but test drilling had identified fractured and sheared coal-bearing schists that are poorly suited for a tunnel boring machine; it instead is being bored by a combination of jackhammering for the weakest rock near the portal and drilling and blasting further in, and is expected to take 70 months.[49]

[50]


Work on the 3 km (1.9 mi) Work Package 3 section started from the French portal in December 2022, and by October 2024 had advanced by 1 km on each tube.[51][52] On-going work at the other French work sites prepares for the arrival of the 5 tunnel boring machines.[16] Those were built by Herrenknecht, a German company based in Schwanau which is the sole European TBM builder.[53][54] They were delivered to the Work Package 2 and 1 consortia between July 2023 and February 2024 for in-factory tests,[51][55][56] and started arriving in the Maurienne valley in July 2024 for their on-site reassembly.[57]

Profile of Mont d'Ambin Base Tunnel (excavated sections in blue, sections in progress in red)

TELT awarded the contract for the excavation of the 25 km (16 mi) of tunneling on Italian territory in August 2023[58] and published in June 2023 a call for tender for the outfitting of the tunnel and its maintenance for the first 7 years of its operations.[59] As of August 2024, 14 of the 115 km (57.5 km times 2 tubes) of the main tunnels had been dug, as well as 23.5 km of auxiliary galleries (access tunnels, ventilation wells, etc).[57] As of late-2022, the expected completion date for the base tunnel was 2032.[16]

Opposition to the project

[edit]

Ever since plans for the railway line were first mentioned in the 1990s, some residents of most of the 112 towns and villages along its path have been set strongly against it.[10] No TAV is an Italian movement against the construction of the line,[60] named from the Italian TAV acronym for Treno Alta Velocità, high speed train. French opposition to the railway also exists but has been less visible.[10] A 2019 poll in both countries, commissioned by TELT but conducted by respected polling companies, found that opposition to the railway link increases as one approaches the location of the tunnel, but that it was nonetheless a minority view even in the Susa and Maurienne valleys.[61]

Local French views

[edit]

In Chimilin, a French town of 1,100 which will be split by the railway, the town council has opposed the plans since 1992 and the 2014-2020 mayor, Marie Chabert, saw the economic uncertainty as damaging for the region.[10]

In Villarodin-Bourget, a small French village, residents represented by the 'Association pour la Sauvegarde du Site du Moulin' have opposed the digging of a 4-kilometre (2.5 mi) survey tunnel since 2002 and are in close communication with the No TAV movement. The mayor, Gilles Margueron, said "after we started looking at the project in details, we soon arrived at a position of complete opposition."[10]

No TAV movement in Italy

[edit]
No TAV protests in 2005

Some people in the Susa Valley in Italy have been resisting the railway project since the 1990s. The No TAV movement began in 1990, with actions to inform local people affected by the plans, supported by the mayors of the valley and the Comunità Montana (mountainous community). From 2000 onwards, there were demonstrations, squatted centres, a trade union solidarity project and a social forum. The resistance was spoken about in terms of the partisan resistance to the Nazis in World War II.[62]

The movement advocates the tactics of non-violent direct action, but some protests have turned violent.[63] Catholics pray at the Chiomonte construction site, while other networks organise communal dinners, discussions and flash mobs. In Venaus, a land squat called the 'Presidio' is situated next to where the survey tunnel was originally planned to be dug.[10]

Arguments

[edit]

The No TAV movement generally questions the worthiness, cost, and safety of the project, drawing arguments from studies, experts, and governmental documents from Italy, France, and Switzerland. It deems the new line useless and too expensive, and decries its realization as driven by construction lobbies. Its main stated objections are:

  • Better to update existing infrastructure.[63]
  • Low level of saturation on the Frejus rail tunnel and stable or decreasing traffic also on Fréjus Road Tunnel.[10] A more recent study, though, found the existing rail line close to saturation because toughened safety standards on train crossings in single-tube tunnels have sharply reduced its capacity.[26]
  • Economical feasibility in doubt due to high costs.[62]
  • Danger of environmental disasters.[10]
  • Health concerns, due to the hypothesized presence of uranium and asbestos in and around the mountains where the tunnel is bored,[64] though the extensive reconnaissance tunneling has found none to date.[65][66] Supporters of the tunnel argue that the risk of contamination is overstated or non-existent.[67]

Members of the protest movement have summarized their ideas against the construction of the new line in a document containing 150 reasons against it[68] and in a wide number of specific documents and meetings.[69]

Critics of the No TAV movement, by contrast, characterize it as a typical NIMBY (Not In My Back Yard) movement and point out the pollution reduction and CO2 emission elimination benefits of the tunnel. In response, No TAV activists talk about LULU (Locally unwanted land use).[62]

See also

[edit]

Notes

[edit]
  1. ^ "Future of Turin-Lyon high-speed railway: is the line still viable?". Railway Technology. 24 May 2019. Retrieved 10 September 2019.
  2. ^ Bellamy, Daniel (27 July 2019). "Italy agrees to resume controversial Turin-Lyon high-speed rail link". euronews. Retrieved 10 September 2019.
  3. ^ (in Italian) Nuova linea Torino-Lione parte comune tratta italiana – Progetto in variante – Studio d'impatto ambientale – sintesi non tecnica 9-7-2010 (document PP2 C3C TS3 0105A AP NOT)
  4. ^ "The Alpine tunnels". LTF. Archived from the original on 31 October 2006. Retrieved 2 March 2012.
  5. ^ a b "The European Commission welcomes the agreement between France and Italy to move ahead with the Lyon-Turin project". Mobility and Transport – European Commission. 22 September 2016.
  6. ^ "EUR-Lex – 31996L0048 – EN". Official Journal L 235 , 17/09/1996 P. 0006-0024. Retrieved 3 September 2021.
  7. ^ "L'Union européenne confirme une participation accrue sur le Lyon-Turin".
  8. ^ "Lyon-Turin : vers les 55 % de contribution européenne".
  9. ^ "OFT - Trafic à travers les Alpes". Archived from the original on 6 October 2013. Retrieved 24 May 2013.
  10. ^ a b c d e f g h i Montalto Monella, Lillo (26 March 2019). "What is happening with the Lyon Turin high-speed line? Euronews traces the route to find out". Euronews. Retrieved 2 May 2019.
  11. ^ a b "Dichiarazioni alla stampa del Presidente Monti al termine della riunione sui lavori di realizzazione della Tav tratto Torino-Lione" [Press conference by president Mario Monti]. Italian Government. Retrieved 9 March 2012.
  12. ^ "Situation et perspectives des finances publiques 2012". Archived from the original on 8 July 2012. Retrieved 22 August 2012.
  13. ^ a b "Close-up on works". LTF. Archived from the original on 22 February 2012. Retrieved 2 March 2012.
  14. ^ a b "Manuel Valls inaugure le tunnelier Federica au chantier du Lyon-Turin à Saint-Martin-La-Porte". LTF. Retrieved 1 August 2016.
  15. ^ a b c ""Telt annonce le percement de la section du tunnel de base entre Saint-Martin-la-Porte et La Praz "". Retrieved 18 September 2019.
  16. ^ a b c "Un nouveau front de percement pour le Lyon-Turin".
  17. ^ Quaderno 1 – p. 4
  18. ^ Quaderno 1 – p. 17
  19. ^ Quaderno 1 – p. 16
  20. ^ CAPacité des RESéaux ferroviaires, Rivier, École polytechnique fédérale de Lausanne
  21. ^ Quaderno 1 – p. 30
  22. ^ Quaderno 1 – p. 31
  23. ^ Quaderno 1 – p. 32
  24. ^ Quaderno 1 – pp. 33–34
  25. ^ Quaderno 1 – p. 35. Data are from 2007, while capacity was reduced by the 2007–10 modernization work.
  26. ^ a b c "TRANSPORTS. Lyon-Turin : le tunnel actuel est pratiquement saturé, selon Réseau ferré de France". www.ledauphine.com.
  27. ^ "Éboulement en Maurienne : la voie ferrée et la RD1006 ne rouvriront pas « avant une petite année »". www.ledauphine.com.
  28. ^ "Éboulement sur la voie ferrée : la ligne vers Modane ne réouvrira pas cet hiver". www.ledauphine.com.
  29. ^ Quaderno 2 – p. 18
  30. ^ Flyvbjerg, B.; Buzelius, N.; Rothengatter, W. (2003). Megaprojects and Risk: An Anatomy of Ambition. Cambridge: Cambridge University Press. ISBN 0-521-00946-4.
  31. ^ TGV Est 11 millions de voyageurs en un an : la SNCF en avance sur ses objectifs , Simon Barthélémy L'Alsace 6 juin 2008
  32. ^ Quaderno 2 – pp. 36-39
  33. ^ "The base tunnel". LTF. Archived from the original on 12 January 2014. Retrieved 5 March 2012.
  34. ^ a b "Liaison Lyon-Turin : pourquoi le Smmag financera 1 million d'euros". Retrieved 10 February 2024.
  35. ^ "Laurent Wauquiez : " On n'est pas passé loin de la catastrophe, mais on a sauvé le Lyon-Turin "". Dauphine Libere. Retrieved 29 January 2024.
  36. ^ "Calendario". ltf-sas.com (in Italian). Archived from the original on 12 January 2014. Retrieved 24 May 2013.
  37. ^ "L'accord franco-italien pour la ligne ferroviaire Lyon-Turin définitivement adopté". Le Monde.fr. 26 January 2017 – via Le Monde.
  38. ^ "SMLP : en route !". LTF. Retrieved 12 April 2017.
  39. ^ ""A SMP4 la faille a ete franchie"". LTF. Retrieved 5 July 2017.
  40. ^ ""SMP4: Federica creuse avec des pics de 15/19 m par jour"". LTF. Retrieved 8 August 2017.
  41. ^ "Realisation des 9 premiers Km du tunnel de base du Lyon-Turin". LTF. Retrieved 24 September 2019.
  42. ^ Bellamy, Daniel (9 March 2019). "Italy's prime minister halts project to build train line to France". Euronews. Retrieved 2 May 2019.
  43. ^ ""Ligne ferroviaire Lyon-Turin : malgré les tensions, Rome valide le lancement des appels d'offres"". Le Monde. 11 March 2019. Retrieved 11 March 2019.
  44. ^ ""Avis de marchés lancés pour la construction du tunnel de base en France"". Retrieved 21 May 2019.
  45. ^ ""Lyon-Turin : les avis de marché publiés pour le tronçon italien"" (in French). Retrieved 17 July 2019.
  46. ^ "Attribution de marchés pour plus de 250 millions d'euros • TELT Lyon-Turin".
  47. ^ "TELT Lyon Turin • les entreprises signent les 3 milliards de contrats pour le creusement du tunnel de base".
  48. ^ Railway Gazette International October 2021 (Volume 177 No 10) pp 40-43
  49. ^ "Progressing the Lyon-Turin base rail link". www.tunneltalk.com. Archived from the original on 12 December 2021. Retrieved 14 September 2020.
  50. ^ "Covid-19 : retour à la normalité sur les chantiers du Lyon-Turin • TELT Lyon-Turin".
  51. ^ a b "Une année de creusement du tunnel de base à Saint-Julien-Montdenis".
  52. ^ "Projet Lyon-Turin: 1 064 mètres de tunnel creusés en 2 ans !".
  53. ^ "Lyon-Turin : le premier tunnelier sera terminé fin juin" (in French).
  54. ^ "Cinq tunneliers en construction en Allemagne" (in French).
  55. ^ "Le tunnelier qui traversera la frontière a été réceptionné" (in French).
  56. ^ "Le cinquième tunnelier du Lyon-Turin a été réceptionné" (in French).
  57. ^ a b "Les grandes technologies arrivent sur le chantier" (in French).
  58. ^ "Contrat attribué pour l'excavation du tunnel de base en Italie".
  59. ^ "Publication d'un nouvel appel d'offres de 3 milliards d'euros pour le tunnel Lyon-Turin".
  60. ^ Povoledo, Elisabetta (17 March 2014). "Italy Divided Over Rail Line Meant to Unite". The New York Times. Retrieved 9 October 2017.
  61. ^ THIERS, Frédéric (24 September 2019). "Un sondage indique une forte adhésion au Lyon-Turin". Dauphine Libere. Retrieved 24 September 2019.
  62. ^ a b c Porta, Donatella Della; Piazza, Gianni (17 October 2007). "Local contention, global framing: The protest campaigns against the TAV in Val di Susa and the bridge on the Messina Straits". Environmental Politics. 16 (5): 864–882. Bibcode:2007EnvPo..16..864P. doi:10.1080/09644010701634257. S2CID 145761725.
  63. ^ a b "Jail for Italy high-speed rail link protesters". The Local. AFP. 27 January 2015. Retrieved 2 May 2019.
  64. ^ Marina Clerico; et al. (May 2015). "Railway Related Impacts: THE TURIN-LYON HIGH-SPEED RAIL CASE" (pdf). Fresenius Environmental Bulletin.
  65. ^ Feu vert au projet de variante en Italie, 29 juillet 2017, site tel-sas.com.
  66. ^ 4 km de sondages a la Maddalena : pas de trace d’amiante, site tel-sas.com.
  67. ^ Commissione VIA (5 December 2010). "Progetto preliminare in variante – Chiarimenti ed integrazioni (Richiesta N° 11)" (PDF). Parte Comune Italo-francese. Revisione del Progetto Definitivo, CUP C11J05000030001 (in Italian): 21–22.
  68. ^ "Archived copy" (PDF). Archived from the original (PDF) on 12 July 2014. Retrieved 24 April 2013.{{cite web}}: CS1 maint: archived copy as title (link) from Pro Natura Torino.
  69. ^ For specific documentation in English see http://www.notavtorino.org/documenti/inglese/indice.htm

References

[edit]
  • Quaderno 1: Linea storica – Tratta di valico [Book 1: Old line – upper section]. Osservatorio Ministeriale per il collegamento ferroviario Torino-Lione, Rome, May 2007
  • Quaderno 2: Scenari di traffico – Arco Alpino [Book 2: Traffic scenarios – Alps passes]. Osservatorio Ministeriale per il collegamento ferroviario Torino-Lione, Rome, June 2007
  • Quaderno 3: Linea storica – Tratta di valle [Book 3: Old line – lower section]. Osservatorio Ministeriale per il collegamento ferroviario Torino-Lione, Rome, December 2007
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