{"id":174829,"date":"2025-12-22T14:34:14","date_gmt":"2025-12-22T09:04:14","guid":{"rendered":"https:\/\/www.gkseries.com\/blog\/?p=174829"},"modified":"2025-12-22T14:34:15","modified_gmt":"2025-12-22T09:04:15","slug":"kerala-to-build-first-underwater-tunnel-linking-vypin-and-fort-kochi","status":"publish","type":"post","link":"https:\/\/www.gkseries.com\/blog\/kerala-to-build-first-underwater-tunnel-linking-vypin-and-fort-kochi\/","title":{"rendered":"Kerala to Build First Underwater Tunnel Linking Vypin and Fort Kochi"},"content":{"rendered":"\n<p>In a historic infrastructure initiative, Kerala is set to build its first underwater tunnel, connecting Vypin and Fort Kochi, as part of the state\u2019s ambitious coastal highway development project. This engineering marvel will significantly reduce the current 16 km road distance to a 3 km sub-sea journey beneath the Arabian Sea, redefining connectivity in Kochi \u2014 one of India\u2019s busiest port cities.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Project Overview: A Sub-Sea Engineering Feat<\/h2>\n\n\n\n<p>The underwater tunnel will be developed by the Kerala Rail Development Corporation Limited (KRDCL) with an estimated cost of \u20b92,672 crore. Key design and construction features include,<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Total Length:<\/strong>\u00a02.75 km (1.75 km bored tunnel + 1 km cut-and-cover)<\/li>\n\n\n\n<li><strong>Twin-Tube Structure:<\/strong>\u00a0Separate tunnels for each direction<\/li>\n\n\n\n<li><strong>Dimensions:<\/strong>\u00a012.5 m outer diameter; 11.25 m inner width<\/li>\n\n\n\n<li><strong>Depth:<\/strong>\u00a035 metres below sea level<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Safety Features<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Emergency stops every 250 m<\/li>\n\n\n\n<li>Escape passages every 500 m<\/li>\n\n\n\n<li>Advanced ventilation and fire safety systems<\/li>\n<\/ul>\n\n\n\n<p>This project marks a first-of-its-kind sub-sea tunnel in Kerala, comparable only to Kolkata\u2019s Hooghly River Metro Tunnel \u2014 India\u2019s first underwater rail tunnel.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In a historic infrastructure initiative, Kerala is set to build its first underwater tunnel, connecting Vypin and Fort Kochi, as part of the state\u2019s ambitious coastal highway development project. This engineering marvel will significantly reduce the current 16 km road distance to a 3 km sub-sea journey beneath the Arabian Sea, redefining connectivity in Kochi [&hellip;]<\/p>\n","protected":false},"author":419,"featured_media":174830,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5379],"tags":[67],"offerexpiration":[],"class_list":["post-174829","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-current-affairs-october-2025","tag-kerala-current-affairs"],"_links":{"self":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/174829","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/users\/419"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/comments?post=174829"}],"version-history":[{"count":1,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/174829\/revisions"}],"predecessor-version":[{"id":174831,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/posts\/174829\/revisions\/174831"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media\/174830"}],"wp:attachment":[{"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/media?parent=174829"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/categories?post=174829"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/tags?post=174829"},{"taxonomy":"offerexpiration","embeddable":true,"href":"https:\/\/www.gkseries.com\/blog\/wp-json\/wp\/v2\/offerexpiration?post=174829"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}