Before we can do any testing, we must add a track marker. This is a very easy task, and you can add as many markers as you like. Always keep in mind that any marker must be far enough away from a track terminus to allow the train to fit between the marker and the terminus.
Click the Trackside Markers button (5) or type (V). (Fig.14)
fig.14
Click the Add button to select the marker. (Fig.15)
fig.15
Now click the (LMB) at least two grid squares from a terminus to place the track marker (7). (Fig.16)