New 'crazy' paving in Pontypridd town centre is being blamed for a number of falls, as the paving apparently hides the kerb.
More than 20 shoppers have been taken to hospital since May after tripping over it, according to the Welsh Ambulance Service.
More top news
Andrew Patrick Saunders killed his ex-girlfriend Zoe Morgan and her new boyfriend Lee Simmons outside Matalan in Cardiff last year.
The annual survey from the Asphalt Industry Alliance also says local roads in Wales and England are on the edge of terminal decline.
The Environment Secretary has announced a £223 million boost to rural communities