The Menu Design appears different to me.
I didn't know that it was set in the same league. How interesting.

I know that Klies Bridge is almost a mirror of Talon's Reach, minus the kink in the starting area.

I see what both of your are saying. I have always viewed Wipeout 64 as a pretty separate game. I will still view Wip3out as Wipeout 4, but there we are.