Land transport and transport via pipelines Standard Industrial Classification (SIC) codes of UK-based importers and exporters 49100 - Passenger rail transport, interurban (919) 49200 - Freight rail transport (1181) 49311 - Urban and suburban passenger railway transportation by underground, metro and similar systems (310) 49319 - Other urban, suburban or metropolitan passenger land transport (not underground, metro or similar) (1802) 49320 - Taxi operation (24615) 49390 - Other passenger land transport (12722) 49410 - Freight transport by road (109128) 49420 - Removal services (11370) 49500 - Transport via pipeline (145)