The social development bank for Europe

Marmaray Commuter Rail Upgrading

  • Approval date

    20 November 2025

  • Borrower

    Government

  • Country

    Türkiye

  • Loan size

    € 50 000 000

  • Line of action

    Investing in People and Enhancing Human Capital

  • Status

    In progress

An additional request of €50 million for a Project loan to partially finance investments to cover extra costs, mainly stemming from exceptional archaeological excavations, under the Commuter Rail Upgrading (CR1/CR3 Contracts) component. It aims to complete the Commuter Rail Upgrade and deliver a modern, safer, faster, and more environmentally friendly rail-based public transportation service while enhancing urban mobility in İstanbul.

Final beneficiaries: Approximately 16 million inhabitants of İstanbul and daily users of public transport.