This is the highest level category for all subjects related to rail transport in Germany. Wherever possible articles should be placed in subordinate categories specific to their subject. Articles suitable for direct inclusion below are those of national (including Länderbahn) importance such as national railway companies (e.g. Royal Saxon State Railways), national rail systems (e.g. S-Bahn) or locomotive genres (e.g. Einheitsdampflokomotive), or lists of national significance (e.g. List of scheduled railway routes in Germany).