Graphics not looking right

MetzliDemon - Harshlands

I was just flying around City of Raging Tide with the graphics on max and saw how the ground looked like:

http://imageshack.us/photo/my-images/189/51o3.png/

Those "stripes" don't look good, looks like the texture you used on there is malfunctioning or something like that
I'd say to replace the texture to grass but if the point is to keep the "stone roads" make it look better and less... geometrical...