The surface of a Turkish highway tends to be fairly rough crushed-stone asphalt, not the best for cycling, but certainly bearable to an experienced cyclist.
Road shoulders/verges tend to be narrow and rough.
The major drawbacks are not the surface but the speedand attentiveness of the traffic: the first is often excessive, the second is not.
You must ride defensively.
Also, some older roads are narrower and have steeper grades and sharper turns than the many improved roads now found in the country. This is not so bad for a biker, but makes the roads a bit more dangerous.
Luckily, much of the traffic on the older roads has shifted to the newer ones, and the government’s campaign to network the country with four-lane/dual-carriageway roads is going forward rapidly.
—by Tom Brosnahan