Michigan’s Grattan Raceway up for sale

Grattan Raceway, a road course located about two and a half hours northwest of Detroit, is up for sale. The 2.0-mile track features 10 turns, a 3,200-foot straight, and averages 40 feet wide, according to the Grattan Raceway website, where the sale announcement was posted. There’s plenty of variety, including ascending and descending-radius turns…