Land transport and transport via pipelines Standard Industrial Classification (SIC) codes of UK-based importers and exporters 49100 - Passenger rail transport, interurban (909) 49200 - Freight rail transport (1155) 49311 - Urban and suburban passenger railway transportation by underground, metro and similar systems (301) 49319 - Other urban, suburban or metropolitan passenger land transport (not underground, metro or similar) (1750) 49320 - Taxi operation (23500) 49390 - Other passenger land transport (12285) 49410 - Freight transport by road (105455) 49420 - Removal services (10809) 49500 - Transport via pipeline (143)