A sampling of Jim Crow laws (1880's-1960's):
Buses: All passenger stations in this state operated by any motor transportation company shall have separate waiting rooms or space and separate ticket windows for the white and colored races. AlabamaBarbers: No colored barber shall serve as a barber [to] white women or girls. GeorgiaHousing: Any person...who shall rent any part of any such building to a negro person or a negro family when such building is already in whole or in part in occupancy by a white person or white family, or vice versa when the building is in occupancy by a negro person or negro family, shall be guilty of a misdemeanor and on conviction thereof shall be punished by a fine of not less than twenty-five ($25.00) nor more than one hundred ($100.00) dollars or be imprisoned not less than 10, or more than 60 days, or both such fine and imprisonment in the discretion of the court. LouisianaLunch Counters: No persons, firms, or corporations, who or which furnish meals to passengers at station restaurants or station eating houses, in times limited by common carriers of said passengers, shall furnish said meals to white and colored passengers in the same room, or at the same table, or at the same counter. South Carolina
More examples here.