It becomes very easy to reach to high speed train in Istanbul.

Here are simplest ways to go to closest high speed train station by public transport from touristic/commercial points of Istanbul:

Istanbul Airport
Taksim
Maslak
Mecidiyekoy
Sultanahmet
Kadiköy
Sabiha Gökcen Airport
Atasehir

Cover photo: Onur Uysal ©