4th December 2018 GWR powercar No.43016 and No. 43040 'Berry Pomeroy Castle' depart Taunton on Tuesday 4th December 2018 operating a crew training run using the new sliding door Mk3 set (GW02). The 5Z61 09:38 Taunton - Plymouth passes 40 Steps marking the start of another new ear for the popular HST sets. (Photo: Jeff Treece)