Specific Procurement Notice Request for Proposals Works (Design and Build) ( Two-envelope Bidding Process Without Initial Selection) Employer : Ministry of Transport and Infrastructure, Directorate General of Infrastructure Investments Project: stanbul North Rail Crossing Project (INRAIL - P509952) Contract title: Design and Construction of Infrastructure & Superstructure Works including Electrification under the stanbul North Rail Crossing Project (INRAIL) Country: Türkiye Loan No. : 9943-TR RFP No: AYGM-INRAIL-2025-YAP 01/1-2-3-4 Issued on: July 2026 The Ministry of Transport and Infrastructure, Directorate General of Infrastructure Investments, Türkiye, has received financing from the World Bank through Ministry of Treasury and Finance towards the cost of the INRAIL Project. The Project is being jointly financed by the Asian Infrastructure Investment Bank, the Asian Development Bank, the European Bank for Reconstruction and Development, the Islamic Development Bank, and the OPEC Fund for International Development. The Project will finance the construction of a 127 km greenfield railway line designed to bypass the Istanbul Metropolitan Area and establish a high-capacity overland link across the Istanbul Strait (Bosphorus). The line will be double-tracked, electrified, fully signalized, and mixed-use, capable of carrying both passengers and freight, with a maximum freight carrying capacity of 50 million tons per year. The proposed railway line will originate at Çayrova station on the Asian side and terminate at Çatalca station on the European side, crossing the Istanbul Strait by utilizing the existing track space allocated on the Yavuz Sultan Selim Bridge (YSS Bridge), also known as the Third Bosphorus Bridge, located at the northern end of the Istanbul Strait. The Ministry of Transport and Infrastructure, Directorate General of Infrastructure Investments intends to apply a portion of the loan proceeds toward payments under...
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Start Free| Issuing agency | World Bank -- Istanbul North Rail Crossing Project |
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| Country | Turkiye |
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| Category | Construction |
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| Published | July 21, 2026 |
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| Procurement stage | Request for Proposal (RFP) |
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| Response due | October 14, 2026 |
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| Status | Open — accepting responses |
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| Official source | View original notice |
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| Last verified | August 12, 2026 |
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Source: The World Bank — Open Data, licensed CC BY 4.0.
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