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
A man and woman have appeared in court charged in connection with the death of Olympic cyclist Chris Boardman's mother.
Lifeboat crews at Llandudno are celebrating the arrival of a new all-weather lifeboat - the first of its kind to be stationed in Wales.
Mild and misty very much the order of the next few days. Western areas will see the best of any sunshine!