Was browsing Open Time Trains and bored a Class 9 headcode running through Filton
RTT» states these are for the Taunton to Cardiff circuit, this week only
(Bristol Temple Meads - next trains)/from/
TAU» /to/
CDF» /2018/01/02/0000-2359?stp=WVS&show=all&order=wtt" target="_blank">http://www.realtimetrains.co.uk/search/advanced/BRI/from/TAU/to/CDF/2018/01/02/0000-2359?stp=WVS&show=all&order=wtt
So why Class 9? To differentiate services operated by Cl. 166 Turbos?