Any person or persons who (a) may stop, cause to be stopped, impede or cause to be impeded any locomotive engine or any car on any railroad in this State by force or threats or by intimidation of those in charge thereof or otherwise for the purpose of taking therefrom or causing to be delivered up to such persons or person anything of value to be appropriated to his or their own use or (b) may conspire together so to do shall be guilty of train robbery and, on conviction thereof, shall be punished by confinement in the Penitentiary not less than two years nor more than twenty years.