If Trainz is laying out the route on the fly, I have seen that. I have also seen the switches set when entering driver mode which is probably indicative of the train being with the the "calculate" zone already. My routes are heavily treed with a full complement of assets to fit the functional need of a town based upon its size.
So, accepting all of that the remaining question is why does the train go through such a time consuming ballet of slow to 2mph, then 1 mph, then 0 and GO. Is this just a bit of theater to mask what might be a 2 or 3 second stop while the program catches up with route calculation.? Surly it does not take 30 seconds to calculate through to the next switch, or set of switches, if they are within the "to be calculated" zone. While the behavior is annoying and unrealistic at least it tell me that to maximize my $70 investment I need to spend several hundred dollars to have it perform properly. Since my "stuff" is about 5 years old I need to take the hint. Thanks for the insight.