Road policing officers are appealing for information following a crash involving four cars on the A71, near to Calder Junction in Edinburgh.
The incident happened around 7.30am on Tuesday, 10 October, 2023.
Emergency services attended and the 53-year-old male driver of an orange Ford Ranger was taken to the Royal Infirmary of Edinburgh.
The road was closed for collision investigation and reopened at 10.40am.
Sergeant Paul Ewing, of the East Road Policing Unit, said:
Our investigation to establish the full circumstances of this collision is ongoing and I would urge anyone who can help to come forward.
We would like to speak to anyone who may have dashcam footage or who saw the orange vehicle on the road prior to the crash.
Anyone who can help is asked to call 101, quoting reference 0555 of 10 October.