A report from consultants Credo, in association with the Campaign for Better Transport, claims there are "huge disparities" in the quality of train services in different regions of Britain.
In Wales they're less well-used, less accessible and have low satisfaction levels.
A spokesman for the Rail Delivery Group, which speaks on behalf of the rail industry, said:
"While there is always room for improvement, rail passengers are travelling on services that are unrecognisably better when compared to 15 years ago".
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Well a fabulous day today has ended on a spectacularly soggy note for some! Heavy rain, hail and thunder will work northwards overnight!
The Talyllyn runs from Tywyn, near Aberdovey, for more than seven miles to two villages in the south Gwynedd countryside.
Homes in parts of Tonypandy and Llwynypia are without water this evening due to a burst water main at Cilfynydd.