Golyga hyn na fydd Trenau Arriva Cymru’n gallu codi prisiau tocynnau trên a reoleiddir uwchlaw’r terfyn o 1.9% - sy’n 0% yn uwch na chyfradd chwyddiant y Mynegai Prisiau Manwerthu – o fis Ionawr 2017.
This means that from January 2017 the maximum increase that Arriva Trains Wales can apply to regulated rail fares will be 1.9% - 0% above the Retail Price Index rate of inflation.