ana. Since he had some African- American blood in him, although little, he was considered black. After being asked by the train conductor to move to the "black" car, he refused and was arrested.Plessy's case was taken to court in the hearing of Plessy v. The State of Louisiana. He argued that according to the fourteenth amendment, the Separate Car Act was unconstitutional. The presiding judge was John Howard Ferguson, who previously declared the separate car act "unconstitutional on trains that traveled through several states." However, he stated that Louisiana could choose to regulate railroad companies operating...