I can't help you out on specific directions on how to get to Istanbul. But I suggest you head in a northerly route.
The b/w nature of the shot provides some nice nice contrasts. Thanks for sharing.
What a neat find...this sign is thoroughly battered...and one presumes they can all be reached by going in the same direction from here. Like the use of bw here. Wish this were in a larger format.
That should be part of some rednecks street sign collection.
As For Istanbul look to the northwest of turkey "MAYBE". (Ankara cd) might be the road your looking for. LOL! (or just google it)LOL!
The b/w nature of the shot provides some nice nice contrasts. Thanks for sharing.