The American Refrigerator Transit Company (ART) was a St. Louis, Missouri-based private refrigerator car line established in 1881 by the Missouri Pacific and Wabash railroads. It is now a subsidiary of the Union Pacific Corporation. American Refrigerator Transit Company, 1900–1970: *estimated. Source: The Great Yellow Fleet, p. 16. References Green, Gene (2005) "Refrigerator Car Color Guide", Morning Sun Books, Scotch Plains, NJ. . White, John W. (1986). The Great Yellow Fleet. Golden West Books, San Marino, CA. . American companies established in 1881 Refrigerator car lines of the United States Union Pacific Railroad 1881 establishments in Missouri