Sustrans policy advisor Matt Hemsley has spoken to ITV News about the effect 'transport poverty' could have on the Welsh economy.
It comes as Department for Transport figures reveal Wales is the worst-hit part of the UK for fare increases - while also seeing the biggest fall in passenger journeys.
Mr Hemsley told us: "Buses are really important, particularly for people on lower incomes; young people who are struggling with the costs of owning and running a car as the costs of insurance and fuel go up.
"This is a big problem for the economy and lots of people."
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Generally dry to start the day but turning increasingly cloudy this afternoon with the heaviest outbreaks in the north.
Rain and drizzle will clear eastern counties this evening. Remaining mild with breaks in the cloud by dawn.