It being a weekdays meant a diesel only service, on this trip pulled by Emma, a modern diesel who had helped build the Jubilee Line extension.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/54741099@N00">Andrew Bowden</a> from London, United Kingdon
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/bods/14786153834/">Emma</a>