66031 passes Compton Beauchamp on 23 July 2012 with the 6M50 07:36 Westbury to Bescot ballast, running just five minutes behind 66416 on the 4O59 Wentloog to Southampton freightliner. The low wagons reveal one of the more distinctive wild flowers to colonise railways embankments - the Common Mullein (Verbascum thapsus). The tall flower spikes can be seen above the third and fourth wagons.