Senate documents, 90th Congress. 117. Metropolitan area pilot transportation study [with bibliography; presented by Jennings Randolph], study implementing Senate Resolution 250 concerning Relationship between highway facilities and other modes of commuter service in movement of people to and from Washington, D.C. area from areas beyond proposed range of projected mass transit and urban freeway facilities, and Feasibility of solid waste disposal using rail haul techniques, July 19, 1968; Oct. 11, 1968.