There are several speedways/raceways/race tracks at state fairgrounds in the United States:
Arizona State Fairgrounds Speedway; Phoenix, Arizona California State Fairgrounds Speedway; Sacramento, California DuQuoin State Fairgrounds Racetrack; DuQuoin, Illinois Indiana State Fairgrounds Speedway; Indianapolis, Indiana Illinois State Fairgrounds Racetrack; Springfield, Illinois Louisiana State Fair Speedway; Shreveport, Louisiana active from at least the 1920s until the 1970s Michigan State Fairgrounds Speedway; Detroit, Michigan Milwaukee Mile; West Allis, Wisconsin Missouri State Fair Speedway; Sedalia, Missouri Music City Motorplex; Nashville, Tennessee Richmond International Raceway; Richmond, Virginia State Fairgrounds Speedway, Raleigh, North Carolina Syracuse Mile at New York State Fairgrounds, Syracuse, New York