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65 S. Ct. 1515; 89 L. Ed. 1915; 1945 U.S. LEXIS 2816
Appeal from a judgment upholding the constitutionality of the Arizona Train Limit Law. 61 Ariz. 66, 145 P.2d 530
Arizona's state interest in maintaining a state statute that limited trains to either 14 passenger cars or 70 freight cars is outweighed by the interest of the nation in an adequate, economical and efficient railway transportation service. Also, Arizona's argument that the law should survive based on safety concerns is not valid because it did not appear that it will lessen the danger of an accident and also because the law interferes with interstate commerce, which is protected under the Commerce Clause of the U.S. Constitution.
Stone, joined by Roberts, Reed, Frankfurter, Murphy, Jackson
The Arizona Train Limit Law of May 16, 1912, Arizona Code Ann., 1939, § 69-119
Southern Pacific Company v. Arizona, 325 U.S. 761 (1945), was a United States Supreme Court case in which the Court found that the Arizona's Train Limit Law imposes stiff burden on the railroad industry. The Train Limit Law of 1912 made it illegal for any person or corporation to use the state railroad train that has more than fourteen passenger cars or seventy freight cars.