I'm signed-up for a Hooked on Driving event at Thunderhill March 14-15. I'll likely be going back there again in the spring... in preparation for an event on the new 5 mile course in the fall. Might try to get back out to Sonoma in the summer/fall. Laguna Seca is likely a no-go unless hell freezes over and a 105dB day is offered.
Yup. I've always found it strange that people who bought property next to a race track (or a bombing range before it was converted) can have any say in things being loud. Then again the track is on public lands and probably has to deal with permits, etc.
Most tracks have noise restrictions (I believe Sonoma is 103dB at 50'), but Laguna Seca is particularly difficult (sound check at 50' on uphill part of the track). They are only permitted so many unlimited-noise days and most are reserved for races. There are fewer 105dB days, but these are highly coveted and are most often rented by groups that do racing events (SCCA, NASA, etc.). There are a handful of 92dB days, but these have been transitioning towards 90dB.
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