Infraestruturas de Portugal, S.A. (IP) is a state-owned company which resulted from the merger of Rede Ferroviária Nacional (REFER) and Estradas de Portugal (EP).

It manages the Portuguese rail and road infrastructure.

[1] Total length, as of January 2019: 15.253 km[2] Main roads and motorways:[3] Total length, as of January 2019: 2.562 km[2][4]

Source for IP's network: www.refer.pt/Documentos/Directorio_da_Rede_2010.pdf, page.

54 See also: Rolling stock of Portugal