Already filthy after only a couple of weeks of work on the Rail Head Treatment Train, 66206 passes Compton Beauchamp on 12 October 2015 with the 3J43 02:53 Didcot Fuelling Point to Didcot Fuelling Point (via West Ealing) RHTT. 66075 is on the rear. The train had travelled via Chippenham and Newbury in both directions.