South Yorkshire Police are appealing for motorists to come forward who may have seen a fatal crash in Barnsley.
On Saturday February 13, a lorry hit a man who was walking his dog on Dodworth Road.
The lorry was travelling towards Barnsley town centre.
The pedestrian, a 57-year-old man who pronounced dead at the scene.
Police are now asking for the drivers who were in the area at that time to get in touch with any information they have which could assist officers with the investigation.
Sergeant Donna Roden said: “CCTV footage shows that there were a number of vehicles travelling behind the LGV prior to the collision.
“I would like to appeal to these drivers to come forward as they may hold vital information about the incident.
“One of the vehicles is believed to be a small white car, possibly a Citroen C3, that was driving directly behind the LGV before the collision.
“A red/orange coloured small hatchback car, possibly a Ford Fiesta, was also in the area at around the time of the collision.
“I would also like to speak to the driver of a white Ford Transit van who stopped at the scene to assist.”
If you have any information regarding the incident, please call 101 quoting incident number 375 of 13 February 2016.