Thats the biggest problem. When you make a terrain the average person would build a road that hugs the ground, up and down mountains and so fourth. In vue even using the python script  for roads, it simply rasies the terrain to a specified height, so it you want a road that wraps around a mountain from bottom to tip it cant be done.

I hope someone fixes this, because as a film maker I was looking to VUE to do a shot that would cost $40k if done in real life. All the things Vue can do and something as simple as a road is almost impossible.