Marmaray
Marmaray is a 76.6-kilometre-long 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... Wikipedia
- Service type: Commuter rail
 - Status: Operating
 - Locale: Istanbul
 - Predecessor: Istanbul suburban, Haydarpaşa suburban
 - First service: October 29, 2013 (Kazlıçeşme-Ayrılık Çeşmesi), March 12, 2019 (Halkalı-Gebze)
 - Current operator(s): TCDD Taşımacılık
 - Former operator(s): Turkish State Railways
 - Ridership: 124 million (2019)
 - Start: Halkalı
 - End: Gebze
 - Distance travelled: 76.6 km (47.6 mi)
 - Service frequency: 8 minutes (Ataköy – Pendik) 15 minutes (Halkalı – Gebze) Frequency may change during rush hour.
 - Rolling stock: TCDD E32000
 - Electrification: 25 kV, 50 Hz AC Overhead line
 - Data source: DuckDuckGo