hmm, do you know roller coasters? they go from high in the air down, It's sorta a skyroad with some bends...
But with the U from the skatepark halfpipe, you can make it smooth, and it's nice, it's kinda like a pipe, but then with the skatpark halfpipe... I'm dreaming of this map for so long
and I tried making it myself, but that's not the type of my mapping...