Nice composition, but I think there needs to be more variety in the lighting/brightness. Everything seems to be pretty much of the same brightness, so the whole thing seems to be washed out.
Nice choice of road segment; I like the curves - on both planes.
Sky is moody but overall image feels a touch too dark - that said - if the story is about a dark journey to be made then it may well be appropriate.
Good perspective and the curve adds interest. The clouds are pretty, but, I think, since the road is the interest in the picture, it would be better if you had moved the horizon up in the frame.