(7) Improvement of maritime traffic with East Prussia and of rail transit through the Corridor;
(8) Fortifications in East Prussia;
(9) Reinforcement of frontier protection in East Prussia;
(10) Preparation by the Reichsbahn of mobile loading ramps;
(11) Reinforcement of the coastal customs service;
(12) Development by the Reichspost of the radio network (amplified transmitters and receivers);
(13) Manning of permanent army signal stations with Reichspost personnel;
(14) Relieving the Reichswehr from the charge of detaching soldiers for duties which can be carried out by civilian personnel;
(15) Protection of frontier crossings by the local authorities (Landräte);
(16) Co-ordination of motor vehicles, et cetera.