Parts
You will need only a few parts, surprisingly.
 
A Controller which looks like a cross and is in black and white. 76656:500010:3 Find in Static Objects tab
 
The Slaves blue/white (one per track running through the mocrossing) ATLS Slave (TF) 76656:500012:4 Static Objects tab
 
The green/white Triggers. 76656:500016:3 Centre button of the Track tab
 
And Invisitrack (white). 209453:38999 Track tab, left button
 
I will update with the kuids once I go into Trainz very soon.
 
Angela