I all give you this opportunity to download this content, a track list (a collection of 16 tracks made by Draco aka RafSTer).
I'm no expert but hey I invite you to have fun anyways if you can.. So here's the list:
Empire Volt City
Giant Greenhouse 1
Kindiak Volt Park
Lego Hood Playground
Les Jardins De Jade
SCP : Containment Breach
Post your own tools and resources, as well as your cars and tracks.