Red Ball Motor Freight, Inc. v. Shannon

The Interstate Commerce Act provides that it is unlawful for any person engaged in a business other than transportation to “transport property by motor vehicle in interstate or foreign commerce for business purposes unless such transportation is within the scope, and in furtherance, of a primary business enterprise (other than transportation) of such person.” §203 (c), 49 U. S. C. § 303 (c).1 Appellees deal in livestock and commodities from a place of business in San Antonio, Texas. They make deliveries in their own trucks to customers in Louisiana, and buy sugar at Supreme, Louisiana, which…