20178 & 20195 head away from the camera, and into the fog at Thrupp on 25 April 1986. As the most likely train to bring Class 20s to the Oxford area in the mid 1980s was the 6V19 06:32 Bescot to Didcot Speedlink, this is presumably the locos off that train going back to the Midlands, as there was presumably no traffic available on this particular day.