Mid and West Wales Fire Service told ITV News they have left the scene of Thursday's crash, although the dual carriageway remains closed between between Aberdulais and Resolven.
More top news
Welcome to the Newsweek Quiz - where we'll be testing your knowledge from the last seven days of news here in Wales.
Ospreys lock Lloyd Peers has joked that a change of name after marrying his wife, could mean better fortunes on the pitch.
Much of Wales is bathed in warm sunshine at the moment, but be warned! It is about to come to an abrupt end overnight!