Residents and traders in Port Talbot fear the closure of the junctions would lead to the town being 'cut off' from business.
Steve Redmore, manager of Aberafan Shopping Centre, said the closure would restrict people coming into the town, which is not needed in the current economic climate.
More top news
Hannah is in Carmarthenshire finding out what is happening at the National Botanic Garden of Wales 15 years after it first opened its doors.
A prize-winning pooch from Bala caused a stir at this year's Crufts competition after going to the toilet in the arena.
A cloudy night through many central and western parts, clearer skies at times in the east. A mild night with brisk southwesterly winds.