 Also playing into the advent of the multipurpose stadium was Americans' growing use of automobiles, which required professional sports stadiums surrounded by parking.Most cities lacked affordable space for such stadiums near their city centers, so multipurpose stadiums were typically built in suburbs with freeways access.Subsets of the multipurpose stadiums were the so-called "cookie-cutter stadiums" or "concrete donuts" which were all very similar in design.