This is a new scratch made project from me. Road America. If you would like to know more then visit the Studio397 thread: https://forum.studio-397.com/index.php?threads/road-america-2016-v1-0.53483/
Warning: you need a very good PC to run this track. No joke!
The file is split into two pieces, this is part 1.
Part 2 - http://www.racedepartment.com/downloads/road-america-2016-part-2.12828/