Paddington Station 24/7

Episode 2 (1x2)

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It is the height of summer and as the temperature soars, tensions rise as commuters face delays caused by a broken down train outside central London. In severe heat, the tracks can expand and with fears of them buckling, it falls to the team in Network Rail's Swindon control centre to manage the situation, and they are left with little choice but to issue speed restrictions of just 5mph.