Illustration 1 from "Just What is a Train Dispatcher?" By Thomas A. White
Copyright 1992 Thomas A. White

This simplified example demonstrates the effect of allowing traffic to move along as it will and merely placing trains in sidings as need be to prevent collisions. The example represents light traffic, a small amount of territory and a result visible only 45 minutes after the strategic error was made. In practice, the territory would be much longer, the traffic probably heaviert, and the resulting delay to the passenger train would occur hours after instead of only 45 minutes after the error was made.

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