Resources
To create a track, you will need some resources.
Textures, sounds and even models if you don't want to model everything yourself.
Everything
http://opengameart.org/ – Speaks for itself.
Textures
RVIO Texture Animations
More than 20 texture animations ready to be used with the Blender add-on.
RVIO Skyboxes
More than 20 skyboxes ready to be used in RVGL.
http://cgtextures.com/ – Huge resource.
Sounds
http://freesound.org/ – Free sounds. Find login data at http://bugmenot.com
Music
TODO: Find a resource