I don't think that would be problem beacause you see only some of the objects at the same time when you are driving, but i'm not sure how it works on your system.
I'm making currently drift layout to skidpad, it's not ready yet but maybe you wanna see little teaser from my work so far. When it's ready it will be longer and better. Drift Ring - WIP
-29.09.2007-
Now there is new picture, about my plans. My first plan was driving circle all way to the end but then i decide to make direction change and then other direction change to make this layout more interesting
-30.09.2007-
Now it's finaly ready and you can freely try it. I also added new pictures, links to new vids and of course layout file.