From TrainSpottingWorld, for Rail fans everywhere
- December 20 – In a test run, the Pennsylvania Railroad operates the UAC Turbotrain at 170.8 mph on the Northeast Corridor between New Brunswick and Trenton, New Jersey, setting a new speed record for a production train.
- December 29 – The first steam locomotive powered train operates at Illinois Railway Museum using a Shay locomotive.
- A. C. Gilbert Company closes.
- Heber Valley Historic Railroad original commercial operation abandoned (reopened 1970 as a tourist line).