Trains Keep Passing Industry/Passenger Track

Did a test and found that speed is an issue. I set the first and last radius to 6 and the middle ones to 8. The att maker shows that the triggers are set at 5m apart so allowed for an overlap. I ran diesel trains and as you found they stop ok due to the type of brakes. Steam train running a circuit at 90mph ran through when the drive via TM was near the station. I then removed that TM and used one further away. As soon as the train passed that TM it spotted the station and started to slow down and did stop in the platform ok.
The outcome is that the distance from the platform to either a drive via TM or other object/command that the train sees needs to be far enough away to allow the train to see the station and slow down. No speed signs where used to slow it.
 
Thanks Stagecoach. My route doesn't have any speed signs higher that 40mph so maybe changing the trigger radius alone will work for me.

When you said, set the first and last radius to 6 and the middle ones to 8. Is this top to bottom as you read the config file? If I'm looking at the config file correctly there are 5 trigger radius values total.
 
Correct. How far away is the command before the station one? I did my test on an oval track with signals and one speed sign for 120mph. As soon as the train went past the last drive via TM it logged onto the station and started slowing with its approach at about 16mph at the station.
 
After an hour of experimenting with different trackmark locations I think there are two things working against me to keep Ben Neal's 2-8-2H from overshooting the platform. A combination of Ben's loco and the pencil42's platform. I was able to get other locos to stop at the platform if used with an additional trackmark that was placed just at the right distance. Experimenting more with Ben's 2-8-2H it's challenging to keep it from overshooting a regular trackmark at any speed over 20mph.

Just for reference, why doesn't changing the platform trigger radius values in the config to 15, 25, or even 50 affect the behavior of any AI driven locos?
 
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