Seen passing one of South Marston's foot crossings is a pair of the Windhoff contraptions that have been specifically constructed to 'build' the OHLE on the GWML. Theses two units are DR76906 and DR76905 and are doing a massive round-robin trip as the 6H09 10.00 Swindon to Swindon via Chippenham, Westbury, the Berks. and Hants. line, Reading and back again; quite the purpose of this run I am not at all sure. However, these hugely expensive and purpose built units intended to mechanise and speed up the electrification process have not worked as intended so it could be linked to work to improve their reliability?
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