Turkey, which wagon will do time in the Marmaray project, one of the most important transport and sets were imported from South Korea. The company that receives the tender within the scope of the tender for the procurement of its vehicles, carries a part of the Marmaray wagons directly from South Korea, while the others are assembled at the High Speed Train Factory in Adapazarı. . In the tests where TCDD technical teams continue to install software, weight test is also applied by putting sandbags in the wagons. First time 3 29 will be carried out in October 2013. Halkalıto Gebze. Each of the Marmaray Wagons has a capacity of 315 and 22,5 meters. Ventilation and heating systems are available to provide passengers with a comfortable ride.