The collision took place near Swimbridge on Sunday July 24.
Devon and Cornwall Police are appealing for witnesses following a crash on the North Devon Link Road last month.
Officers from the serious collision team are investigating the three car incident, which happened on Sunday July 24 at around 11.10am near Swimbridge.
A 76-year-old woman driving a green Peugeot 206 sustained serious injuries in the crash and remains in North Devon District Hospital in a stable condition.
A white Fiat Punto and black Volkswagen Polo were also involved.
Officers would like to hear from anyone who saw the collision, particularly the occupants of a dark, coupe type vehicle which was on the road at the time of the incident.
The Fiat and Peugeot were both travelling towards South Molton, while the Volkswagen was going towards Barnstaple.
Police are asking anyone who may be able to help with the investigation to email email@example.com or call 101 quoting reference 385 of July 24 2016.
Click here to return to our homepage for more North Devon news.