thick fog, 32 killed. October 26 – United Kingdom – Goswick rail crash: Flying Scotsman express fails to slow for diversion and derails; 28 are killed. November 6 – United Kingdom – A collision occurs between two Southern Railway electric multiple units at , London due to a fog signalman's error. Four people are killed and twelve are injured. November 6 – United Kingdom – A Southern Railway passenger train overruns signals at , London and collides with an electric multiple unit. One person is killed and nine are injured. November 26 – United Kingdom – Near Farnborough, Hampshire, England. A -to-London Waterloo train is halted near Farnborough due to the failure of signalling system's power supply. The following train, from , is erroneously admitted into the section, and strikes the rear of the Bournemouth train at , killing one passenger. December 3 – France – At Arras, striking railway workers remove of rail, without disrupting the track circuit that might warn signalmen. A night mail train going from Paris to Tourcoing derails and 21 people are killed. December 22 – French-occupied zone of Germany – Two trains to Dortmund, one from Munich and one from Freiburg, collide at Neuwied; 42 are killed and 116 injured. 1947 – United States – MP 69.5 CAGY (Columbus & Greenville Railroad), Locomotive #506 derails after striking another train in the rear. Engine crew are killed, and the locomotive falls onto its side, becoming mired in the mud and embankment. Railroad tries to raise the engine, but upon being unable to do so, opt to simply scrap the locomotive in place, cutting it off even with the ground where it lies. #506 had previously been involved in another accident the year before, as well as a few minor derailments. 1948 January 23 – United Kingdom – A passenger train formed by a 6PUL and a 6PAN electric multiple unit overruns signals at and collides with an empty stock train formed of two 6PAN units. Three people were killed and 34 injured, February 17 – France – Freight and passenger trains collide head-on at Thumeries on the line between Douai and Lille; at least 22 were killed and 30 injured. February 22 – Switzerland – Wädenswil, Lake Zurich: a Swiss South Eastern Railway train runs away down a steep incline and crashes into a house after being diverted into a siding to avoid a collision