Washington (D.C.) Metropolitan Transit Authority : hearings before a subcommittee of the Committee on Interstate and Foreign Commerce, House of Representatives, Eighty-fourth Congress, second session, on H.R. 8901 and H.R. 8947 : bills to provide for an adequate and economically sound transportation system or systems to serve the District of Columbia and its environs; to create and establish a public body corporate with powers to carry out the provisions of this act; and for other purposes.