ORR protects the interests of rail and road users. We are improving the safety, value, and performance of railways and roads, today and in the future.

Rail infrastructure and assets

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Annual statistics covering average age of rolling stock used by passenger train operating companies and reference data on the mainline infrastructure in Great Britain.

For details on how these statistics are compiled, please see our Rail infrastructure and assets quality and methodology report and for information on any revisions, please see our Revisions log.

We have also written a blog on passenger rolling stock fleet explaining what drives change in the average age and providing further details on the composition of the fleet.

Data and reports that include previous statistical releases on Rail infrastructure, assets & environmental can be found on the National Archives.

Our statistical practice is regulated by the Office for Statistics Regulation (OSR).

If you have any questions or feedback on these statistics, please contact rail.stats@orr.gov.uk

Latest statistical release

Rail infrastructure and assets, April 2022 to March 2023
Rail infrastructure and assets, April 2022 to March 2023

Date published: 19 Oct 2023
Date next published: 10 Oct 2024

Key results

  • As of 31 March 2023, there were 15,220 railway vehicles registered in operation for all passenger train operators. Of these, 70% were electric, 19% were diesel, 7% were bi-mode and 4% were locomotive hauled.
  • The average age of rolling stock for all passenger train operators as of 31 March 2023 was 16.7 years.
  • In the latest year, 62.2 kilometres of electrified track were added to the network. This was due to the opening of the Elizabeth line and the Barking Riverside project.
  • In the latest year, eight new stations opened. This brings the total number of mainline stations in Great Britain as of 31 March 2023 to 2,578.