Marmaray

Marmaray () is a commuter rail line located in Istanbul, Turkey. The line runs from Halkalı, on the European side, to Gebze, on the Asian side, along the north shore of the Sea of Marmara. Mostly using the right-of-way of two existing commuter rail lines, the Marmaray line linked the two lines via a tunnel under the Bosporus strait, becoming the first standard gauge rail connection between Europe and Asia (all prior connections ran through Russia and used the incompatible Russian broad gauge). The two existing sections of the line were rebuilt and expanded from two tracks to three tracks, to a

railway tunnel in Istanbul, Turkey

Rolling stock

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