April 1967 Issue [Article] The coming of the super-railroad Download PDF Adjust Share by Marvin J. Barloon, This article is only available as a PDF to subscribers. Download PDF Tags 20th century Centralized traffic control Freight History Railroads Signaling United States More from Marvin J. Barloon The coming battle of the St. Lawrence What the seaway will do to New York . . . what Chicago and the Midwest will fight for . . . the potential conflict with Canada . . . The second transport revolution Steel The great retreat Adjust Share