{"id":490718,"date":"2026-07-28T19:36:10","date_gmt":"2026-07-28T09:36:10","guid":{"rendered":"https:\/\/www.railfreight.com\/?p=73044"},"modified":"2026-07-28T19:36:10","modified_gmt":"2026-07-28T09:36:10","slug":"turkiye-launches-tender-for-istanbul-bypass-design-and-construction","status":"publish","type":"post","link":"https:\/\/www.vibewire.com.au\/?p=490718","title":{"rendered":"T\u00fcrkiye launches tender for Istanbul bypass design and construction"},"content":{"rendered":"<p><strong>The Turkish Ministry of Transport opened the tender for the design and construction of the Istanbul North Rail Crossing Project (INRAIL). The future line is expected to play a key role for rail freight to, from, and via T\u00fcrkiye with a projected capacity of 50 million tonnes.<\/strong><br \/>\n<span id=\"more-73044\"><\/span>Applicants will be able to submit their proposals until 14 October 2026. The tender follows the securing of significant funding from international banks over the past few months.<\/p>\n<p>Since December 2025, Ankara has obtained around $4.25 billion: $2 billion from the <a href=\"https:\/\/www.railfreight.com\/beltandroad\/2026\/04\/01\/world-bank-approves-2bn-loan-bosphorus-rail-capacity-to-grow-from-3-to-50-million-tonnes\/\"  rel=\"noopener\">World Bank<\/a>, $750 million from the <a href=\"https:\/\/www.railfreight.com\/beltandroad\/2026\/06\/11\/asian-development-bank-loans-645m-euros-for-bosphorus-line\/\"  rel=\"noopener\">Asian Development Bank<\/a> and $1.5 billion from the <a href=\"https:\/\/www.railfreight.com\/beltandroad\/2026\/07\/23\/turkiye-lands-latest-major-loan-for-8bn-inrail-link-across-bosphorus\/\"  rel=\"noopener\">Asian Infrastructure Investment Bank<\/a>. In total, the project requires $8 billion, with T\u00fcrkiye to provide $1.52 billion.<\/p>\n<h2>44 tunnels and 40(+2) bridges<\/h2>\n<p>\u201cThe line will be double-tracked, electrified, fully signalised, and mixed-use, capable of carrying both passengers and freight, with a maximum freight carrying capacity of 50 million tons per year\u201d, the notice from the ministry said. This tender, however, will not include telecommuting and signalling works, which will have a separate tender procedure, it specified.<\/p>\n<div style=\"border: 2px solid #0a4e7f; padding: 15px 20px 20px 20px; border-radius: 10px; background-color: #e7f1f8; margin: 20px 0;\">\n<p><strong>The whole tender is made up of four lots for construction and electrification, with proposals being accepted for one or more of them.<\/strong><\/p>\n<ul style=\"margin-top: 10px; padding-left: 20px; list-style-type: disc;\">\n<li><strong>LOT 1<\/strong>: \u00c7ay\u0131rova &#8211; Sabiha G\u00f6k\u00e7en Airport &#8211; Kurtdo\u011fmu\u015f Corridor (28.49 km)<\/li>\n<li><strong>LOT 2<\/strong>: Kurtdo\u011fmu\u015f &#8211; Alibahad\u0131r Corridor (25.76 km)<\/li>\n<li><strong>LOT 3<\/strong>: Alibahad\u0131r &#8211; YSS Bridge &#8211; Mithatpa\u015fa Corridor (32.14 km)<\/li>\n<li><strong>LOT 4<\/strong>: Mithatpa\u015fa &#8211; \u0130stanbul Airport &#8211; \u00c7atalca Corridor (39.49 km)<\/li>\n<\/ul>\n<\/div>\n<p>In total, almost 127 km of new infrastructure needs to be built: 122.3 km in double track and 4.7 in single track. There will be five twin-tube tunnels for 36.2 km dug with tunnel boring machines, 22 more built with the New Austrian Tunneling Method and another 17 cut-and-cover ones. Construction will also include two viaducts and 40 bridges.<\/p>\n<figure style=\"max-width: 100%; margin: 20px auto; border-radius: 6px; overflow: hidden; box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);\"><img fetchpriority=\"high\" decoding=\"async\" class=\"fluid alignnone\" style=\"width: 100%; height: auto; display: block;\" src=\"https:\/\/www.railfreight.com\/wp-content\/uploads\/2026\/06\/In-blue-the-future-Bosphorus-line.jpg\" alt=\"Future Bosphorus line map\" width=\"948\" height=\"800\" \/><figcaption style=\"padding: 10px 15px; font-size: 14px; background: #f8f8f8; text-align: left; color: #555;\">In blue, the future Bosphorus line. Image: \u00a9 Asian Development Bank<\/figcaption><\/figure>\n<h2>\u00a0Two-envelope procurement<\/h2>\n<p>The tender will be a two-envelope process, meaning that applicants will have to submit two separate proposals simultaneously. One will consist of the Technical Part, \u201dwithout any reference to prices\u201d, the Turkish ministry said, while the other one will include the Financial Part.<\/p>\n<p>The envelopes containing the Technical Part will be open on 14 October at 14:45, 15 minutes after the deadline for submission. \u201cThe Financial Part shall remain unopened and will be held in safe custody of the Employer until the second public opening of the Financial Part, following the evaluation of the Technical Part of the Proposals\u201d, the ministry explained.<\/p>\n<h2>RailFreight Summit<\/h2>\n<p>Istanbul will be the location of the upcoming RailFreight Summit, and the INRAIL project will be a key topic of the event. Scheduled for 9 and 10 November at the Crown Plaza Hotel, the RailFreight Summit will be the perfect opportunity to discuss the latest development in T\u00fcrkiye, along the Middle Corridor and for Eurasian trade. First speakers have already been confirmed, with transport expert Kris Kosmala and Martin Koubek from Metrans joining the stage.<\/p>\n<p>Stay up to date <a href=\"https:\/\/www.railfreightsummit.com\/keep-me-informed\/\"  rel=\"noopener\">here<\/a> and do not miss out on this must-visit event!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Turkish Ministry of Transport opened the tender for the design and construction of the Istanbul North Rail Crossing Project (INRAIL). The future line is\u2026<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[343,18501,4216,20757,471,47,15922,8804],"tags":[12634],"class_list":["post-490718","post","type-post","status-publish","format-standard","hentry","category-infrastructure","category-inrail","category-istanbul","category-istanbul-bypass","category-news","category-rail-news","category-railfreight-summit","category-turkiye","tag-railfreight"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"The Turkish Ministry of Transport opened the tender for the design and construction of the Istanbul North Rail Crossing Project (INRAIL). 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