Question to the Department for Transport:
To ask Her Majesty's Government what plans they have, if any, to link future increases in regulated rail fares to the Consumer Price Index rather than to the Retail Price Index.
We recognise many of the arguments made to justify changing the measure of inflation used and continue to keep our policy under review, with a long-term goal of replacing Retail Price Index (RPI), as it is phased out of use.
Any change will need to overcome specific barriers to ensure it is delivered sustainably and will require balancing against the potential impacts on passengers, taxpayers and the railway.