agreement

[Tristus]

but autocad does not treat road tracks, it is only a drawing tool.

Yes, autocad acts as an alternative tool to the old tecnigraph.
for road tracks there is analist, not only for road tracks, but all about topographic relief from point clouds.
practically a real autocad with all the utilities you need to the case.

 

[Tristan]

for road tracks there is analist

I am from the school 'civil 3d' but the concept is the same