Once identified, investments shall be prioritised according to their contribution to mobility, sustainability, to reducing greenhouse gas emissions, and to the Single European Transport Area, in accordance with the vision set out in the White Paper entitled "Roadmap to a Single European Transport Area – Towards a competitive and resource efficient transport system", highlighting that a significant reduction in greenhouse gases is required in the transport sector.
Ón uair a shainaithneofar iad, cuirfear infheistíochtaí in ord tosaíochta de réir an méid a rannchuidíonn siad le soghluaisteacht, le hinbhuanaitheacht, le gáis cheaptha teasa a laghdú, agus leis an Limistéar Iompair Eorpach Aonair, i gcomhréir leis an bhfís a leagtar amach sa Pháipéar Bán dar teideal "Treochlár um Limistéar Iompair Eorpach Aonair – I dtreo córais iompair atá iomaíoch agus tíosach ar acmhainní", ag cur béime go bhfuil laghdú suntasach ar gháis cheaptha teasa ag teastáil san earnáil iompair.