Land transport and transport via pipelines Standard Industrial Classification (SIC) codes of UK-based importers and exporters 49100 - Passenger rail transport, interurban (929) 49200 - Freight rail transport (1211) 49311 - Urban and suburban passenger railway transportation by underground, metro and similar systems (314) 49319 - Other urban, suburban or metropolitan passenger land transport (not underground, metro or similar) (1824) 49320 - Taxi operation (25543) 49390 - Other passenger land transport (13175) 49410 - Freight transport by road (111886) 49420 - Removal services (11821) 49500 - Transport via pipeline (147)