The question was about the segregation of the toilet facilities abord trains. The judgement forced the rail companies to offer the same treatment and facilities in "colored" train cars as in the "white" train cars of the same class, following the "separate but equal" principle.
That means that each car of a given class should have the same features and amenities, no matter if it was a car designated for white passengers or for "non-white"/"colored" passengers.
In the fall of 1796, nearing the end of his term, George Washington published a farewell address, intended to serve as a guide to future statecraft for the American public and his successors in office.