Southern Pacific Co. v. Arizona ex rel. Sullivan

PETITIONER: Southern Pacific Co.
RESPONDENT: Arizona ex rel. Sullivan
LOCATION:

DOCKET NO.: 56
DECIDED BY: Stone Court (1943-1945)
LOWER COURT:

ARGUED: Mar 26, 1945 / Mar 27, 1945
DECIDED: Jun 18, 1945

Facts of the case

Arizona banned operation of trains more than 14 passenger cars of 70 freight cars long.

Question

Was the Arizona law an unconstitutional burden on interstate commerce?