Very god, very creative, a lot of passion and effort went into this, I can tell. Narrow, fast roads, probably best for older/smaller cars. I can picture vintage F1 here easily. Graphics and textures have that old school DX7/8 vibe but the ambience and immersion makes it a nice drive.
Here are links to the only known footage of Paramount Racetrack in it's prime:
https://vimeo.com/9498899
https://www.mediafire.com/file/pslyursto27ta8x/Paramount+Hairpin+clips.mp4/file
Cornel Wilde took a bit of "artistic license" for his movie with the inclusion of pylons and banners but the racing footage is somewhat realistic. It is a shame that this tidbit of America's awakening to Road Racing has not been restored...