Ideas

To create my track, I want DS Banshee Boardwalk please.

i dont think wargor's gonna do it, but hey, that's what the track builder is for

Not gonna happen, but you can create the track yourself.

The problem is that in this circuit, the barriers are very thin. What I don't understand is why there isn't more shape for walls or holes.

Here! I have done N64 Banshee Boardwalk for you:

I will fend for myself