© National Railway Museum / Science & Society Picture Library
High Speed Train development image depicting the wind tunnel test at the Derby Research Centre. The Class 43 High Speed Train (HST) is moore commonly known as the InterCity 125. Considered Britain's most influential modern loco, these powerful engines—which achieved a world-record 148mph top speed—quickly formed the backbone of Britain's high-speed rail routes and revived interest in rail travel after years in the doldrums.
HST development – Wind Tunnel Test BR Derby Research c1970