RPI no longer fit for deciding rail fare rises | Letters

Hetah Shah of the Royal Statistical Society says that people’s incomes and outgoings should both be linked to a single index, CPI, which commands ‘national statistic’ status and is credible for uprating purposesThe shadow transport secretary, Andy McDonald, is on the right tracks. The annual rises in rail fares should be decoupled from the retail prices index (RPI), as he argued in his Guardian article (This hefty train fare rise is yet another Tory betrayal of passengers, theg