The total ridership of rail systems had reached to 1.2 bn in Turkish cities in 2017. This is 3.5% higher than last year.
Half of this belongs to Istanbul. Ridership had reached to over 600 mn in Istanbul last year.
Here below is the table of urban rail ridership in 12 Turkish cities:
Kocaeli’s recently opened (Aug 2017) tram had carried 4 mn passengers last year.