Ada Express
The Ada Express (Turkish: Ada Ekspresi) is a limited stop regional train service operating between Pendik, Istanbul and Arifiye. It was inaugurated on 5 January 2015 as the successor to the popular Haydarpaşa-Adapazarı Regional train service. However, unlike its predecessor, the Ada Express does not make local stops and run as often and it does not operate into Adapazarı. Passengers can connect to shuttle-like commuter service operating from Arifiye to Adapazarı. Trains consist of TVS2000 cars and use E68000 series locomotives for motive power.
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Wikipedia