South Wales Police is continuing to investigate a fatal road traffic collision that happened on the A4232 in Cardiff on Tuesday, May 29.
Officers are keen to identify a woman, believed to be a nurse, who provided first aid at the scene of the collision.
Barbara Rowe, 60, from the Pen-y-Fai area of Bridgend, died following the midday collision involving two lorries and two cars on the southbound carriageway near Culverhouse Cross.
The woman who stopped to help Mrs Rowe is described as having light coloured short hair, was wearing a blue jumper or cardigan, dark trousers and possibly glasses.
Mrs Rowe’s family, continue to be supported by a specially-trained family liaison officer.
A 27-year-old man arrested on suspicion of causing death by dangerous driving remains released under investigation.
Please contact South Wales Police on 101 quoting occurrence number *192049.