SuperAmerica 4960 Douglas Ave, Racine, WI53402 SuperAmerica is part of the Speedway chain of gas station. It is located in Racine and offers competitive gas prices as…More well as do-it-yourself car cleaning. It also has a convenience shop for snacks, drinks and other small necessities. Customers can come in and grab what they need on the go while their gas is pumping. The prices are affordable and the store's employees are always helpful.