A driver was seriously injured in a crash on the A417 near Gloucester yesterday (Friday).
Emergency services were called to the scene, between the C&G roundabout and the Zoons Court roundabout, at around 7.20pm.
The crash involved a white Vauxhall Corsa and the driver of the car was taken to Southmead Hospital with serious injuries.
Investigating officers would like to speak to anyone with information. They are particularly keen to hear from anybody travelling along the A417 in either direction who saw the vehicle or who may have dash cam footage.
Information can be submitted to police by completing the following online form and quoting incident 361 of March 11:
Alternatively information can be provided by calling police on 101 and quoting the same incident number.