Train Lengths : hearings before the United States House Committee on Interstate and Foreign Commerce, Seventy-Fifth Congress, third session, on Jan. 11-14, 18-21, 25-28, Feb. 1-4, 8-10, 15-18, Mar. 1-4, 17, 18, 1938.

Considers legislation to establish train length limitations on railroads operating in interstate commerce. Includes discussion of impact of Arizona train length law on railroad operations and reviews court rulings on the constitutionality of the Arizona law.