How to Use Track Direction Markers

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The information in this Wiki Page applies to TANE, TRS19 and Trainz Plus.

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What are Track Direction Markers?

In Summary:
DotPoint.JPG Track Direction Markers are yellow coloured track markers that are invisible in Driver Mode but visible in Surveyor Mode. They are used as "One Way" signs to force trains under AI control to travel in a specific direction through the track section where they are placed
DotPoint.JPG Track Direction Markers only work on AI controlled trains. They have no effect on manually controlled trains
DotPoint.JPG Track direction markers are NOT a substitute for Driver Commands or Interlocking Towers


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Adding a Track Direction Marker

NotePad.PNG A Track Direction Marker has no properties other than the direction it is pointing. This is the direction that all AI controlled trains will be forced to take.
TrackDirectionTools.png

Steps.PNG Steps:
  1. Open the Track Tool
  2. Select the Trackmark button
  3. Select the Track Direction Marker
  4. Select the + (add) button - it may already be selected
  5. Click on the track location where the direction marker is to be placed
  6. If it is not facing the correct direction, rotate the marker to point in the opposite direction


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Direction Marker Operation

Main Points:
DotPoint.JPG Track Direction Markers only work on AI controlled trains. They have no effect on manually controlled trains
DotPoint.JPG If the set path is blocked, then the AI will NOT attempt to find another path

Consider the situation represented in the diagrams below. An AI controlled train is moving left to right towards a junction and a loop line. A Track Direction Marker (yellow triangle) has been set on the main line which only allows AI trains traveling right-to-left to pass along that section of track.

In Figure 1 below, The train approaches the junction at the start of the one way section.

Direction Map - approach
Figure 1


In Figure 2 below, the train has been forced to take the loop line to avoid the section controlled by the direction marker.

Direction Map - bypass
Figure 2


In Figure 3 below, the loop line has been blocked by another train. The moving train will attempt to use the loop line but it will be halted and will not attempt to find another path.

Direction Map - blocked
Figure 3


Direction Markers can be ignored by the AI
In Figure 4 below, the marker has been placed on the loop line and is pointing in the same direction as the moving train. However, the mainline path represents the shorter route for the consist so the "preferred" direction, as indicated by the direction marker, is ignored. Placing a direction marker is no guarantee that the path will be followed if more suitable paths are available.

Direction Map - path ignored
Figure 4

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