s 56 Power to control roads, etc.
56.—(1) Any officer in charge of a division or any person duly authorised by any such officer may by order, or by giving directions, or in any other manner, regulate, restrict, control or prohibit the use of any road or waterway in any security area by any person or class of persons or any vehicle or vessel or type or description of vehicle or vessel or close any road or waterway in such area. (2) Any officer in charge of a division may, by the issue of permits to which conditions may be attached or in any other manner, regulate, restrict, control or prohibit the travelling by any person or class of persons in any train, motor car, motor bus or vehicle of any description in any security area, and may similarly regulate, restrict, control or prohibit the travelling by any person in any vessel in such area.