Here are some of the resources we have found on racetrack noise.
Angerman v. Burick. This civil action was originally brought by 109 individual Plaintiffs, residents of Wooster and Franklin Townships in Wayne County, Ohio. The lawsuit was filed against Thomas A. Burick and his wife, Elizabeth A. Burick, and LoConn Motocross, Ltd., an Ohio limited liability company owned by the Buricks which operates a motocross track facility on their Franklin Township property. This lawsuit was filed on March 16, 2001, prior to the opening of the racing facility which occurred on June 1, 2001.
Moyer vs. Morin. This case involves a motocross track in Flathead County, Montana.