United States & Interstate Commerce Commission v. American Railway Express Co.

Mr. Justice Brandéis

delivered the opinion of the Court.

Transportation Act, 1920, c. 91, § 418, 41 Stat. 456, 485, amending Interstate Commerce Act, § 15, par. 3, directs that the Commission “ shall whenever deemed by it to be necessary or desirable in the public interest . . . establish through routes.” Paragraph 4 of that section provides: “In establishing any such through route the Commission shall not . . . require any carrier by railroad, without its consent, to embrace in such route substantially less than the entire length of its railroad and of any intermediate railroad operated in…