166207 passes Tredington on 6 June 2018 with the 2F99 16:48 Great Malvern to Westbury GWR service. For the first 25 years of their life, the Turbo units would have been extremely rare visitors to this area, being almost entirely confined to the Thames Valley and Cotswold lines. However, with the electfrication out of Paddington, they have spread their area of operation considerably.