Infrastructure and capital

In this section we offer global statistical information on transport infrastructures in Spain, data on rolling stock, and investments in technology and innovation.

Graph of the evolution of investment in public transport infrastructure. Total investments. The content of the image is in Spanish. Chart content in Spanish

Evolution of investment in publicly owned transport infrastructure by mode of transport. From the MITMA group and from the total number of administrations in the years 2000 to 2021.

Relevant information

Basic infrastructure


In 2019, the length of the road network in Spain reached 165.443 kilometres, of which 17,377 kilometres corresponded to high-capacity roads.


15,820 kilometres made up the ADIF and ADIF-AV rail infrastructure network in 2022, of which 10,234 kilometres were electrified.


46 airports and 2 heliports make up the Aena network, with 149,457 metres of expansion in 2021.


In 2021, the State-owned Port System was made up of 28 Port Authorities, which managed 389,983 linear metres of quays

Rolling stock


In 2019, the national vehicle fleet consisted of 34.434.791 vehicles, of which 134.898 were authorised for passenger transport and 488.649 for freight transport.

Technological capital

R&D and innovation

Companies in the transport and storage sector invested 47.6 million euros in R&D in 2021.