Transport Design International (TDI) is the transport design division of Design Resource. The consultancy provides a range of design services which meet the needs of rail, road, and marine transport manufactures and operators, incorporating vehicle exterior styling, interior design, colour schemes + fabric designs, seating designs, ergonomics / human factors analysis, Crew Cab layout, ergonomics + accessibility, Trade-off studies + Optimisation reports, Reports for SDR, PDR, CDR, and documentation for manufacture.