DCR 31190 (D5613) carries its original style green livery and is here working a route-learning turn, 0Z31, 07:04 from Wembley EFOC to Calvert and return, perhaps in anticipation of future traffic flows this way. The loco came off the branch from Aylesbury on its return run to Wembley EFOC at 12:59, running on time on Wednesday 10th April 2013 and after a fast train had gone through on the up main line it sets off again at 13:04. This working also ran the day before but was 118 minutes late when it arrived here. Digital Image No. GMPI14885.