20189 Amersham 14 September 2008

20189 accelerates away from Amersham station with the 13:58 special train to Watford, during the London Transport Museum's Heritage Day on 14 September 2008. Tucked out of view on the rear of the train is the former Metropolitan Railway electric locomotive Sarah Siddons. Two trains of Metropolitan Line A60 stock can be seen in the station in the background.