![Lyon-Turin (TAV) High-speed railway tunnel construction site, Saint-Martin La Porte, Savoie, Auvergne-Rhône-Alpes Region, France Stock Photo - Alamy Lyon-Turin (TAV) High-speed railway tunnel construction site, Saint-Martin La Porte, Savoie, Auvergne-Rhône-Alpes Region, France Stock Photo - Alamy](https://c8.alamy.com/comp/TRJXH5/lyon-turin-tav-high-speed-railway-tunnel-construction-site-saint-martin-la-porte-savoie-auvergne-rhne-alpes-region-france-TRJXH5.jpg)
Lyon-Turin (TAV) High-speed railway tunnel construction site, Saint-Martin La Porte, Savoie, Auvergne-Rhône-Alpes Region, France Stock Photo - Alamy
![Lyon-Turin (TAV) High-speed railway tunnel construction site, Saint-Martin La Porte, Savoie, Auvergne-Rhône-Alpes Region, France Stock Photo - Alamy Lyon-Turin (TAV) High-speed railway tunnel construction site, Saint-Martin La Porte, Savoie, Auvergne-Rhône-Alpes Region, France Stock Photo - Alamy](https://c8.alamy.com/comp/TRJXGT/lyon-turin-tav-high-speed-railway-tunnel-construction-site-saint-martin-la-porte-savoie-auvergne-rhne-alpes-region-france-TRJXGT.jpg)
Lyon-Turin (TAV) High-speed railway tunnel construction site, Saint-Martin La Porte, Savoie, Auvergne-Rhône-Alpes Region, France Stock Photo - Alamy
![Saint-Martin-de-la-Porte (Savoy, south-eastern France): works of the TurinÐLyon high-speed railway tunnel. Here, opening of several accesses to the tu Stock Photo - Alamy Saint-Martin-de-la-Porte (Savoy, south-eastern France): works of the TurinÐLyon high-speed railway tunnel. Here, opening of several accesses to the tu Stock Photo - Alamy](https://c8.alamy.com/comp/KK4MHX/saint-martin-de-la-porte-savoy-south-eastern-france-works-of-the-turinlyon-KK4MHX.jpg)
Saint-Martin-de-la-Porte (Savoy, south-eastern France): works of the TurinÐLyon high-speed railway tunnel. Here, opening of several accesses to the tu Stock Photo - Alamy
![Lyon-Turin (TAV) High-speed railway tunnel construction site, Saint-Martin La Porte, Savoie, Auvergne-Rhône-Alpes Region, France Stock Photo - Alamy Lyon-Turin (TAV) High-speed railway tunnel construction site, Saint-Martin La Porte, Savoie, Auvergne-Rhône-Alpes Region, France Stock Photo - Alamy](https://c8.alamy.com/comp/TRJXED/lyon-turin-tav-high-speed-railway-tunnel-construction-site-saint-martin-la-porte-savoie-auvergne-rhne-alpes-region-france-TRJXED.jpg)
Lyon-Turin (TAV) High-speed railway tunnel construction site, Saint-Martin La Porte, Savoie, Auvergne-Rhône-Alpes Region, France Stock Photo - Alamy
![LYON-TURIN. Telt annonce le percement de la section du tunnel de base entre Saint-Martin-la-Porte et La Praz LYON-TURIN. Telt annonce le percement de la section du tunnel de base entre Saint-Martin-la-Porte et La Praz](https://cdn-s-www.ledauphine.com/images/3920D585-4706-4C04-B6EA-A881497EF1B0/NW_raw/photo-le-dl-sylvain-muscio-1568733711.jpg)
LYON-TURIN. Telt annonce le percement de la section du tunnel de base entre Saint-Martin-la-Porte et La Praz
![Close up of St. Martin la Porte in green with Lyon- Torino tunnel in red. | Download Scientific Diagram Close up of St. Martin la Porte in green with Lyon- Torino tunnel in red. | Download Scientific Diagram](https://www.researchgate.net/publication/260064807/figure/fig2/AS:364096055726080@1463818672035/Close-up-of-St-Martin-la-Porte-in-green-with-Lyon-Torino-tunnel-in-red.png)
Close up of St. Martin la Porte in green with Lyon- Torino tunnel in red. | Download Scientific Diagram
![Squeezing rock reduces the tunnel cross section in the Saint Martin La... | Download Scientific Diagram Squeezing rock reduces the tunnel cross section in the Saint Martin La... | Download Scientific Diagram](https://www.researchgate.net/publication/297145924/figure/fig1/AS:336929607438338@1457341686172/Squeezing-rock-reduces-the-tunnel-cross-section-in-the-Saint-Martin-La-Porte-access-adit.png)
Squeezing rock reduces the tunnel cross section in the Saint Martin La... | Download Scientific Diagram
![Squeezing rock reduces the tunnel cross section in the Saint Martin La... | Download Scientific Diagram Squeezing rock reduces the tunnel cross section in the Saint Martin La... | Download Scientific Diagram](https://www.researchgate.net/publication/276078398/figure/fig5/AS:363874344816647@1463765812937/Squeezing-rock-reduces-the-tunnel-cross-section-in-the-Saint-Martin-La-Porte-access-adit.png)
Squeezing rock reduces the tunnel cross section in the Saint Martin La... | Download Scientific Diagram
![Squeezing rock" reduces the tunnel cross section as well evidenced in... | Download Scientific Diagram Squeezing rock" reduces the tunnel cross section as well evidenced in... | Download Scientific Diagram](https://www.researchgate.net/publication/301649225/figure/fig7/AS:668312920936479@1536349625969/Squeezing-rock-reduces-the-tunnel-cross-section-as-well-evidenced-in-the-Saint-Martin.jpg)
Squeezing rock" reduces the tunnel cross section as well evidenced in... | Download Scientific Diagram
![Saint-Martin-La-Porte: viaggio nel cantiere francese della Torino-Lione - Strade & Autostrade Online Saint-Martin-La-Porte: viaggio nel cantiere francese della Torino-Lione - Strade & Autostrade Online](https://www.stradeeautostrade.it/wp-content/uploads/2018/02/saint-martin-la-porte-viaggio-nel-cantiere-francese-della-torino-lione.jpg)
Saint-Martin-La-Porte: viaggio nel cantiere francese della Torino-Lione - Strade & Autostrade Online
![Lyon-Turin (TAV) High-speed railway tunnel construction site, Saint-Martin La Porte, Savoie, Auvergne-Rhône-Alpes Region, France Stock Photo - Alamy Lyon-Turin (TAV) High-speed railway tunnel construction site, Saint-Martin La Porte, Savoie, Auvergne-Rhône-Alpes Region, France Stock Photo - Alamy](https://c8.alamy.com/comp/TRJXEM/lyon-turin-tav-high-speed-railway-tunnel-construction-site-saint-martin-la-porte-savoie-auvergne-rhne-alpes-region-france-TRJXEM.jpg)