Island Passenger Trains 16, operated by TCDD General Directorate of Transport, started its journey from Adapazarı (today) on March 2019.
Adapazarı Express which can not provide service due to long-standing works, also known as the Island Train 7 after a year break at 12.00 enthusiastically entered the Adapazari Station. New routes have been added to the trains serving in Mithatpaşa-Pendik line and it was the first time from Adapazarı (16 March 2019). Island Passenger Train, which is integrated with Marmaray at Pendik and Gebze stations, started its first voyage from Adapazarı at 05.45 and at 08.05 from Pendik. The trains completed their time in 1 hours.
Ada Passenger Trains stop at Mithatpaşa, Arifiye, Sapanca, Büyükderbent, Köseköy, İzmit, Derince, Yarımca, Hereke and Gebze stations.
320 4 passenger trains can carry 80 passenger trains.
The Republic of Turkey State Railways (TCDD) General Directorate of Transport Adapazari Express operated flights, High Speed Train (YHT) road construction 3 to 1 years 2012 February temporarily durdurulmuşd in history because of their work. In 2015, Ada Ekspresi, which started to work between Istanbul Pendik and Sakarya Arifiye Station, started to come to Adapazarı Mithatpaşa station.