Another engineering works train running as part of the Chiltern Evergreen 3 upgrade partial blockade was 6Z78, the 17:54 from South Ruislip to Eastleigh Yard. 66122 approaches the foot-crossing near Kingsey at 18:34 with another trainlaod of sand and ballast in MHA wagons. Tuesday 16th August 2011. Digital Image No. GMPI10058.