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Modeling roads - Terrain

bpears
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bpears polycounter lvl 4
So I've been thinking about how I should be modeling my roads. I was going to do separate meshes for road and terrain, and lay the road over it. But if the terrain is leveled with the road, it can bleed over onto the road on the z-axis.

I was looking at GTA's games present and past, and their roads are so fluid, so leveled with the terrain. Are they just putting the geometry as one thing? One mesh? Because you could texture it this way still. So I wonder if that is what they are doing. Or if there is some other way to achieve a good AAA road/terrain.

Thoughts?

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