The development of Reston, Virginia and Columbia, Maryland in the early 1960's produced much speculation concerning the role of new towns in future urban growth. Supporters of new towns have offered them as prescriptions for many of the ills found in urban America today: as opposed to the sprawling, often poorly designed and frequently single class typical suburban community. However, in the decade that has passed since the inception of Reston and Columbia large numbers of planned new towns have not been built, due in large part to the myriad problems of new town development which are now general knowledge.