General Director of TCDD Ali İhsan Uygun, XINX of Köseköy-Gebze. and 3. railway line construction.
In the end of the week, together with AYGM General Manager Necdet Sümbül, Marmaray's Gebze-Halkalı continued to examine the work on the suburban line.
70 with 41 station completed after monthly work Halkalı-Make line will open on 10 March 2019. Rail line electrical line and signaling system works have been completed. Newly completed and restored stations have been completed.