İZBAN E22100
The İZBAN E22100 series, commonly nicknamed Gulf dolphin, are Electric Multiple Units that were built by Hyundai Rotem for İZBAN A.Ş. in order to increase its fleet. Each set has 3 permanently coupled cars and are used for commuter service in İzmir. The first set entered service on 30 August 2014 and the last one on 31 December 2015.