Hi Guys,
As Dap has said, there is a problem with computer lockup when using transfer table ferries in TS2009 and 10. Auran are aware of it, and have been able to reproduce the problem with a normal turntable model. So far I have not heard of them providing a solution.
The red arrows are an inbuilt Trainz function, the creator does not have to create them. They appear in Trainz relative to the origin of the model, and are therefore fixed. Because I make the origin at the first ferry landing end, that is where they appear. You can make the actual model below the origin in 3dsmax and when placed in Surveyor, you need to pull it up out of the ground. The arrows then appear to be higher in the model, sometimes useful if a ship or aircraft obscures the red arrows.
The issue is that to click on the arrows you need to have some part of the table mesh behind the arrows, when clicking, otherwise they vanish. This requires the use of a large invisible plane as part of the model in some instances.
As you see you have very little control over the arrows, and they cannot travel with the moveable table. It is best to use the Move Turntable rule for large models, to operate the table instead of clicking on the arrows, which may be a long way from the moving table (ferry).
Yes you can make a barge model for instance as a train car to transport cars across normal track. It has severe limitations:
on curves, the transported cars move sideways on the deck, following the curvature;
you cannot fill the barge with cars, as the coupler attachment points need to be in from the ends;
the placement of bogeys and attachment points are critical for the model; and,
you can only load from one end.
You can find some details here:
http://www.ianztrainz.com.au/project7.htm
As you see, there are always limitations in what is possible with Trainz, but it can be fun to experiment.
Ian