Driving Simulator

[Shohagh]

Hi,
i think all of well. i am starting to work in Drving Simulator. i know this is big think but  i try to establish a demo overall project. but problem is found in Terrain mapping. i used L3DT but not make a perfect Road track in terrain. i realy  need to mapping some road track in my height map. How can i manage this if any C3 sample please help me!!!! 

[asia]

Someone in Italy asked me a demo for a driving simulator (not a racing game but training, follow the rules and so on). How is going your demo. Shall we share problems?
Fabio