The Connington South rail crash occurred on 5 March 1967 on the East Coast Main Line near the village of Conington, Huntingdonshire, England. Five passengers were killed and 18 were injured. The 22:30 express from King's Cross to Edinburgh, hauled by D9004 The Queens Own Highlander, was travelling along the Down Fast line at around 75 mph when the rear portion of the train was derailed to the left. The last four coaches came to rest on their sides and two others were derailed.