I grew up in the high desert approximately 40 miles from Willow Springs, so it has always been somewhat near and dear to me and I never felt that existing iterations of Big Willow for any of the Sims truly captured it's essense. Although i admire early configurations of the track, I have attempted to capture Big Willow during mid-Spring of modern times (with sponsor logos past & present).
Features:
Full-featured cameras.
VisGroup programming.
Working Start, Pitin and Pitout lights.
Announcer sounds where appropriate.
Supports 32 cars (If your PC is up for it).
Animated Marshals and (some) spectators.
WARNING: It is a bit of a "Framerate Hog"