The accident happened on the eastbound carriageway between Cross Hands and Cwmgwili, at around 5.05pm and caused major disruption to rush hour traffic.
The A48 was closed in both directions as emergency services attended the incident. The westbound carriageway and one lane heading eastbound were re-opened at midnight, and the eastbound carriageway fully re-opened on Saturday.
A spokesperson for Dyfed-Powys Police said:
“We are investigating a road traffic collision which occurred at approximately 5.05pm on Friday, November 15,” a Dyfed-Powys Police spokesperson said.
“Sadly, a 55-year-old man died at the scene. The family have been advised and are being supported by specialist officers.”
Anyone who has any information which could help officers with their investigation should contact Dyfed-Powys Police, either by calling 101, by emailing 101@dyfed-powys.police.uk, online via https://orlo.uk/IbFk8, or via direct message on social media.
