Diamond Park Speedway (fka Southwest Arkansas Super Speedway) Submit new listing Favourites Print listing Save as PDF Add bookmark Diamond Park Speedway (fka Southwest Arkansas Super Speedway) The RosterMotorsportsTracksDiamond Park Speedway (fka Southwest Arkansas Super Speedway) Address1468 Hwy 27 Nashville, AR 71852, Arkansas, USACategoriesTracksContact InformationWebsitehttps://dpsdirt.com/