Olympian Marc Jenkins has joined calls for safer roads in Wales as figures show councils need to spend £36 million a year to fix roads but investment is still falling short.
The Welsh triathlete said damaged roads in Wales are just too dangerous to cycle on.
Jenkins broke his thumb and dislocated his shoulder after hitting a pothole in Bridgend.
There is a £2.8 million average funding shortfall per authority according to the annual ALARM survey by the Asphalt Industry Alliance (AIA).
There are also big discrepancies between local authorities. Some have the equivalent of £22,200 per mile while others have just £3,400.
Local authorities say the amount they have to spend to carry out one time fixes continues to rise.
Last year 52,682 potholes were filled in Wales but it would take 8 years to catch up on the backlog.
The AIA says there needs to be a sustained investment equivalent to an extra £1.5 billion per year for ten years to bring the road network up to scratch.
The Welsh Local Government Association says additional funding will go towards ongoing work to repair the most damaged stretches of road:
The Welsh Government says they have invested £300 million per year to maintain and improve motorways and trunk roads across Wales.