REO Speedwagon (originally stylized as R.E.O. Speedwagon) is an American rock band from Champaign, Illinois. Formed in 1967, the band cultivated a following during the 1970s and achieved significant commercial success throughout the 1980s. The group's best-selling album, Hi Infidelity (1980), contained four US top 40 hits and sold more than 10 million copies.