31170 passes Swanbourne in atrocious light on 20 February 1988 with the 6M18 10:40 Akeman Street to Bletchley UKF fertiliser empties. This section of the former Oxford to Bletchley line was mothballed in 1993. Just 35 minutes earlier 56045 had passed by with the 6M24 07:25 Whatley to Wolverton ARC stone train.