How to Use Track Direction Markers

The information in this Wiki Page applies to both TANE and TRS19.

What are Track Direction Markers?

In Summary:
	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 trainz under AI control to travel in a specific direction through the track section where they are placed
	Track Direction Markers only work on AI controlled trains. They have no effect on manually controlled trains
	Track direction markers are NOT a substitute for Driver Commands or Interlocking Towers

Adding a Track Direction Marker

Notes: 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.

Steps: Open the Track Tool Select the Trackmark button Select the Track Direction Marker Select the + (add) button - it may already be selected Click on the track location where the priority marker is to be placed If it is not facing the correct direction, "flip" the marker to point in the opposite direction

Direction Marker Operation

Main Points:
	Priority Track Markers only work on AI controlled trains. They have no effect on manually controlled trains
	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.

In Figure 1 below, a Track Direction Marker has been set on the main line which prevents AI trains from travelling that section (between the two junctions) in a left-to-right direction. It only allows AI trains travelling right-to-left to pass along that section of track.

Figure 1

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

Figure 2

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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.

Figure 3

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