The Town and Country Planning (General Permitted Development) (England) Order 2015 No. 596

SCHEDULE 2 E+W Permitted development rights

PART 19 E+W Development by the Crown or for national security purposes

Class M – development by the Crown on operational Crown land connected to rail E+W

Permitted development E+W

M.  Development by or on behalf of the Crown on operational Crown land, required in connection with the movement of traffic by rail.