{"id":881,"date":"2026-01-28T11:09:12","date_gmt":"2026-01-28T11:09:12","guid":{"rendered":"https:\/\/sigma5.pt\/projeto\/quadrupling-of-the-cintura-line-and-modernisation-of-the-northern-line\/"},"modified":"2026-01-28T11:09:12","modified_gmt":"2026-01-28T11:09:12","slug":"quadrupling-of-the-cintura-line-and-modernisation-of-the-northern-line","status":"publish","type":"project","link":"https:\/\/sigma5.pt\/en\/projeto\/quadrupling-of-the-cintura-line-and-modernisation-of-the-northern-line\/","title":{"rendered":"Quadrupling of the Cintura Line and Modernisation of the Northern Line"},"content":{"rendered":"<p>Preliminary Study and Detailed Design were developed for the quadrupling of the Cintura Line between Roma\/Areeiro and Bra\u00e7o de Prata, and for the modernisation of the Northern Line up to Sacav\u00e9m. The intervention covered around 15.5 km of railway infrastructure, including Oriente Station and interfaces with the future Third Tagus Crossing, improving capacity, safety and performance of the urban rail network. <\/p>\n<p>Detailed design for:<\/p>\n<ul>\n<li>Track<\/li>\n<li>Earthworks and Drainage<\/li>\n<li>Overhead Catenary<\/li>\n<li>Geology and Geotechnics<\/li>\n<li>Tunnels<\/li>\n<li>Construction Phasing<\/li>\n<li>Station Redevelopment<\/li>\n<li>Expropriations and Affected Services<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Preliminary Study and Detailed Design were developed for the quadrupling of the Cintura Line between Roma\/Areeiro and Bra\u00e7o de Prata, and for the modernisation of the Northern Line up to Sacav\u00e9m. The intervention covered around 15.5 km of railway infrastructure, including Oriente Station and interfaces with the future Third Tagus Crossing, improving capacity, safety and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":880,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"project_category":[36],"project_tag":[46,48],"pais":[10],"class_list":["post-881","project","type-project","status-publish","has-post-thumbnail","hentry","project_category-mobility","project_tag-feature","project_tag-railway","pais-portugal"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Quadrupling of the Cintura Line and Modernisation of the Northern Line - sigma5<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sigma5.pt\/en\/projeto\/quadrupling-of-the-cintura-line-and-modernisation-of-the-northern-line\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Quadrupling of the Cintura Line and Modernisation of the Northern Line - sigma5\" \/>\n<meta property=\"og:description\" content=\"Preliminary Study and Detailed Design were developed for the quadrupling of the Cintura Line between Roma\/Areeiro and Bra\u00e7o de Prata, and for the modernisation of the Northern Line up to Sacav\u00e9m. 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