Luke. Established in 1923, Yellow Coach — a subsidiary of Yellow Cab Company — was one of the most important names in the history and development of bus transportation in America. Making buses more comfortable, efficient and safer, they were responsible for many innovations before integrating with General Motors in 1943. Included in this title are: trolley buses, double-deckers, intercity and transit buses, sales brochures, factory images, and more! 128 pages, B&W photos, 10¼"x 8½", softcover.