Getting from Istanbul Ataturk Airport to your destination:  New Intercity highways now link Istanbul to the cities of Bursa, Ismir, Antalya & to the Black Sea Speedway.

By Bus: 
For more bus information and routes open (www) jett.gov.tr
Havas Shuttle buses run every 30 mins. to Bakirkoy, Yenikapi, Aksaray, Taksim Square; hourly service runs to Kozyatagi (Asian side), and service every hour to Etiler-Akmerkez. 
Havas buses run according to departure/arrival schedules of the ferries to the fast ferry terminal in Bakirkoy, which connects to the Bostanci & Kadikoy terminals.  
The City Bus runs to Taksim, Etiler & Kozytagi, a slower but cheaper alternative. 

By Train:

Metro light rail service
(tel. +90 212 444 0088), takes 30-35 mins. It  runs to Aksaray, passing through major parts of the European side of the city, including its bus terminal.
New High-speed train connection between Ankara and Istanbul will take a mere 3.5 hours, & covering 500 km. The track extension involved the area between Eskisehir & Istanbul (since 2009, high-speed trains already ran between Ankara & Eskisehir, about the half-way point beween Ankara & Istanbul).  While official opening was scheduled for July 11, during prior test drive the YHT train partially derailed - due to a maintenance vehicle left standing on the rails - the train was damaged, requiring repairs and causing a postponement of the opening day.

By Frerry
departs from Bursa- Yenikapi- Kadikoy.

Google Plus One