A 70-year-old motorcyclist is in a seriously condition at Southmead Hospital Bristol after a crash at Ashton Keynes on Friday, June 28.
His Yamaha bike collided with a Nissan X-Trail on the B4696 at the junction with High Road around 10.45am.
Police describe his injuries as life-changing.
His pillion passenger, a woman aged 69, suffered a suspected broken wrist and ankle and was taken to hospital by ambulance.
If you have information about the crash contact PC Jay Clifton in the Wiltshire roads policing unit on 101 or Crimestoppers on 0800 55511