I think it may be left D-pad but not 100% on that. Edit: This is wrong look at Matt P's post below for the answer.
Go to map view, hover over the train, click A/Xbox, X/Ps5, select Set Path, now move to where you want to go and press A/X again.
When I hover over the loco I’ve spawned and press A/xbox, the set path option is greyed out and I only have the option to remove the loco. Am I missing something?
They don't announce winners even in the past. They only let the winner know and they can choose to keep quiet about it.