A test trip from Stoke Gifford to Oxford, Worcester, Hereford and back is planned for Sunday.
http://www.realtimetrains.co.uk/train/V80287/2017/12/10/advanced
http://www.realtimetrains.co.uk/train/V80288/2017/12/10/advanced
http://www.realtimetrains.co.uk/train/V80287/2017/12/10/advanced
http://www.realtimetrains.co.uk/train/V80288/2017/12/10/advanced