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 2022, the length of the road network in Spain reached 166,000 kilometers, of which 17,660 kilometers 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 149,456 metres of expansion in 2022.


In 2022, the State-owned Port System was made up of 28 Port Authorities, which managed 390,168 linear metres of quays

Rolling stock


In 2022, the national vehicle fleet consisted of 35,668,443 vehicles, of which 131,109 were authorised for passenger transport and 533,792 for freight transport.

Technological capital

R&D and innovation

Companies in the transport and storage sector invested 81.8 million euros in R&D in 2022.