Aids for calculating freight train performance by digital computer

A new digital computer program for calculating freight train performance (speed, distance traveled, running time, energy consumption, etc.) eliminates certain limitations inherent in manual calculations and in digital computer programs based on the manual method. Results are more accurate, especially for long freight trains. In this new program, provision has been made for speed restrictions that apply to the entire train, not only to head-end. Preparation and use of time-power charts for deriving the minimum running times of trains are analyzed.