Longest urban rail network
Together with Baskentray commissioned on 12th of April, the urban rail network has reached to 692 km in Turkey. Izmir has the longest network among all (178 km). Istanbul comes right after (159 km).
The rail network lengths of 12 cities are as follows:
Kocaeli has the shortest network. The first tram service was commissioned in the middle of last year in Kocaeli.
Together with new metro lines and Marmaray, Istanbul will be able to get the leadership back soon.