Tenders/Design and Construction of Infrastructure & Superstructure Works including Electrification under the İstanbul North Rail Crossing Project (INRAIL)
OpenServices

Design and Construction of Infrastructure & Superstructure Works including Electrification under the İstanbul North Rail Crossing Project (INRAIL)

European Investment Bank (EIB)
Published: Aug 21, 2026
Updated: Sep 20, 2026
Source: EIB - European Investment Bank

About This Opportunity

EIB - Project procurement - Ref: 20260445-00

This is a services contract in the construction and civil works, finance and banking and information and communication technology sectors, with a focus on Building Construction, Railways, Communications and Regional Transport. Located in Regional, Europe, this opportunity is open to firms and consortiums.

Published through EIB - European Investment Bank, a multilateral development bank that follows standardized international procurement guidelines. Projects funded by multilateral institutions are generally open to international bidders from eligible member countries for services in the construction and civil works sector. Service contracts are typically evaluated on both technical quality and price, and may require bidders to demonstrate relevant experience and qualified personnel. Interested parties should review the full documentation on the original source before submitting their proposal.

Description

The Ministry of Transport and Infrastructure, Directorate General of Infrastructure Investments, Türkiye (hereinafter - teh Ministry), 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 intends to apply a portion of the loan proceeds toward payments under the contract(s) for the "Design and Construction of Infrastructure and Superstructure Works, including Electrification" subdivided into four Lots as listed below. The scope of works covered under this procurement package as a whole (all four lots together) encompasses the design and construction including electrification of 122.3 km of double-track main line and 4.7 km of single-track connection lines, 5 twin-tube Tunnel Boring Machine (TBM) tunnels totaling 36.2 km, 22 double-track New Austrian Tunneling Method (NATM) tunnels totaling 23.3 km, 17 cut-and-cover tunnels totaling 3.7 km, two viaducts and 40 bridges totaling 22.1 km, Stations, etc. The scope of works covered under each lot is specified in the RFP document. The Telecommunication and Signalling Works are not included in this procurement package and will tendered separately. The Ministry now invites sealed Proposals from eligible Proposers for the Design and Construction of Infrastructure & Superstructure Works including Electrification subdivided into the four lots below. Proposers may submit Proposal for one or more lot(s): Lot 1 — Construction and Electrification Works for the Çayrova – Sabiha Gökçen Airport – Kurtdomu Corridor (28,49 km); Lot 2 — Construction and Electrification Works for the Kurtdomu – Alibahadr Corridor (25,76 km); Lot 3 — Construction and Electrification Works for the Alibahadr – YSS Bridge – Mithatpaa Corridor (32,14 km); Lot 4 — Construction and Electrification Works for the Mithatpaa – stanbul Airport – Çatalca Corridor (39,49 km).

Data provenance

This notice is sourced from EIB - European Investment Bank and was originally published on August 21, 2026. Last refreshed today. BidsFactory mirrors official procurement notices and links back to the source for full legal text.

About European Investment Bank (EIB)

European Investment Bank (EIB) has issued 226 procurement notices on BidsFactory, including 18 currently open and 0 awarded contracts. Activity concentrates in Finance & Banking, Construction & Civil Works, and Transport & Logistics. Tenders span 10 countries including Mozambique, Georgia, and Lao PDR. Notices are distributed via EIB - European Investment Bank. Most recent publication: September 18, 2026.

Frequently asked questions about this tender

How can I submit a bid?

Visit EIB - European Investment Bank to access the full notice, required documents, and submission instructions provided by the contracting authority.

Who is the contracting authority?

This notice was issued by European Investment Bank (EIB) in Regional. The authority is responsible for evaluating bids, awarding the contract, and managing performance.

What type of contract is this?

This is a Services contract in the Construction & Civil Works sector. The classification helps bidders match the opportunity to their qualifications and registered scope of supply.

Where will the contract be performed?

The contract is for delivery in Regional. Foreign bidders should review local registration, taxation, and any in-country presence requirements before submitting.

Find tenders like this automatically

Set up alerts and filters that match your business — never miss a relevant opportunity again.

See plans

Key Details

Location
🌍Regional
Europe
Contract Type
Services
Eligibility
Firms / Consortiums
Language
English

Source

eib
EIB - European Investment Bank
Multilateral

Contracting Authority

European Investment Bank (EIB)
🌍Regional

Matching Experts

Are you a consultant?

Join our Expert Network and get matched with relevant tenders.