Investigations continue today following a serious collision which took place near Down Ampney yesterday at 12.30pm.
A woman, aged in her 40s and from Gloucestershire, remains in a serious condition at Southmead Hospital, Bristol.
A man, also in his 40s and from Bristol, was taken to Great Western Hospital in Swindon with a suspected fractured ankle and has since been released.
The road will remain closed until later this afternoon to allow a collision investigation to take place.
Anyone with information about the collision can contact police through the Force website, quoting incident 185 of 13 December: https://www.gloucestershire.police.uk/contact/af/contact-us/us/a-matter-involving-driving-vehicles-or-a-road-traffic-incident/
Alternatively call 101, quoting the same incident number.