Page:Hine (1904) Letters from an old railway official.djvu/42

 the time table, but deriving its running existence from train order.

Yard Train.—A train neither represented on the time table nor created by train order, but deriving its running existence from rules governing movements within prescribed limits.

You will find if you work these definitions through the standard code the changes will be slight, but the results comprehensive and satisfactory. This will do as a starter, but you will live to see trains handled on single track without train orders as we now understand the term.

If this answers your signal, suppose we call in that flag we whistled out when we stopped to talk it over. Affectionately, your own D. A. D.