{"id":20883,"date":"2026-11-05T20:08:39","date_gmt":"2026-11-05T20:08:39","guid":{"rendered":"https:\/\/tunnelingworld.com\/?p=20883"},"modified":"2026-11-05T20:08:39","modified_gmt":"2026-11-05T20:08:39","slug":"third-tbm-breakthrough-achieved-on-toulouse-metro-line-c","status":"publish","type":"post","link":"https:\/\/tunnelingworld.com\/?p=20883","title":{"rendered":"Third TBM breakthrough achieved on Toulouse Metro Line C"},"content":{"rendered":"<p>A tunnel boring machine (TBM) operated by the Eiffage G\u00e9nie Civil\u2013NGE-BTP consortium has achieved its third breakthrough on the Toulouse Metro Line C project in France.<\/p>\n<p>TBM Berthe de Puybusque has reached the future Lyc\u00e9e Toulouse-Lautrec station, following earlier breakthroughs at Fondeyre and Ponts-Jumeaux stations. The machine will now continue excavation towards its final destination at Raisin station.<\/p>\n<p>The Eiffage G\u00e9nie Civil\u2013NGE-BTP consortium has deployed three TBMs for the project, which involves constructing a new 27km metro line across the Toulouse metropolitan area. The line will comprise 21 stations and provide five interchanges with railway stations.<\/p>\n<p>The consortium was awarded the civil engineering contracts for Lots 1 and 2 by Tiss\u00e9o Ing\u00e9nierie.<\/p>\n<p><strong>Lot 1<\/strong> extends from the Colomiers auxiliary structure, located approximately 100m from Colomiers Gare station, to the Laporte auxiliary structure. The scope includes the design and construction of a 3.85km tunnel, three stations, four intermediate ancillary structures and three shafts connecting the surface to the tunnel.<\/p>\n<p><strong>Lot 2<\/strong> covers the section from the Laporte auxiliary structure to Raynal station. Its scope includes the design and construction of an 8.416km tunnel, six stations, five intermediate auxiliary structures, a connecting tunnel to the maintenance site and nine shafts connecting the surface to the tunnel.<\/p>\n<p>Once completed, Line C will extend from Colomiers station in the north-west to Lab\u00e8ge station in the south-east, providing a new 27km metro connection across the Toulouse metropolitan area.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A tunnel boring machine (TBM) operated by the Eiffage G\u00e9nie Civil\u2013NGE-BTP consortium has achieved its third breakthrough on the Toulouse Metro Line C project in France. TBM Berthe de Puybusque has reached the future Lyc\u00e9e Toulouse-Lautrec station, following earlier breakthroughs at Fondeyre and Ponts-Jumeaux stations. The machine will now continue excavation towards its final destination at Raisin station. The Eiffage G\u00e9nie Civil\u2013NGE-BTP consortium has deployed three TBMs for the project, which involves constructing a new 27km metro line across the Toulouse metropolitan area. The line will comprise 21 stations and provide five interchanges with railway stations. The consortium was awarded [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":20884,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[43],"tags":[1262,981,5744,5926,2318,5927,3774,1699],"class_list":["post-20883","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-project-show-case","tag-eiffage-genie-civil","tag-france","tag-metro-construction","tag-nge-btp","tag-tbm-breakthrough","tag-tisseo-ingenierie","tag-toulouse-metro-line-c","tag-tunnel-boring-machine","post--single"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Third TBM Breakthrough on Toulouse Metro Line C<\/title>\n<meta name=\"description\" content=\"TBM Berthe de Puybusque achieves its third breakthrough on Toulouse Metro Line C, reaching the future Lyc\u00e9e Toulouse-Lautrec station.\" 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