Looking for a map of Line M4 on the Istanbul metro? It serves 28 stations. It runs between Kadıköy, Aydıntepe and Sabiha Gökçen Havalimanı. This page gathers its route, its stations in running order and its interchanges.
For the record, its oldest station is Aydıntepe (1989) and its busiest is Pegasus-Kozyatağı (M4) (12,372,784 passengers a year).
Want to know how well you really know it? DailyMetro asks you to guess one Istanbul metro station every day, with clues for line, direction and distance. Explore the whole network for the other lines and every station.

Every station on its real position, coloured by the year it opened and sized by annual ridership. The drawing assembles itself in opening order.