Gardaí have renewed their appeal for information after a pedestrian was killed in a two-car collision on the M7 motorway in Naas, Co Kildare on September 25.
The crash happened at around 9.35pm that Saturday evening between Junction 10 and Junction 9A.
The man, aged in his 30s, received serious injuries.
He was taken to Tallaght University Hospital where he later died.
It is understood the man exited his own vehicle to assist with the collision.
The drivers of both cars, a man and a woman, along with a female passenger were taken to Nass General Hospital for treatment after the crash.
Diversions were put in place to allow for a forensic examination of the scene to take place.
Gardaí are appealing to anyone who has any information in relation to this incident to contact them.
Gardaí believe there are a number of motorists who may have witnessed the collision that have not yet come forward.
Gardaí are also asking for any drivers who may have dashcam footage, who were travelling in the area at the time to come forward.
Anyone with information is asked to contact Naas Garda station on 045 884300, the Garda Confidential Line on 1800 666 111 or any Garda station.