165104 ambles along the up relief line at Waltham St Lawrence on 27 July 2007 with the 09:49 Reading to Paddington First Great Western service. The bridge in the background is known as Chalkpit Bridge, and carries the bridleway from Waltham St Lawrence to Knowl Hill. Old maps show a limekiln as well as a chalk pit in the trees approximately above the train, in addition there was another chalk pit on the south side of the line.