Two drivers of the train, carrying fuel from the northwestern province of Kocaeli to the Central Anatolian province of Kırıkkale, were detained by police.
The suburban and intercity train service resumed after a two-hour halt, according to local reports.
The locomotive and five of the 16 tankers came off the tracks and first response units rushed to the scene, state-run Anadolu Agency reported. There were no reports of injuries.
Railway officers immediately launched works to secure the area and empty the fuel inside the derailed tankers.
Hurriyet Daily News