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@N3s0 Check whether you installed the modification correctly according to the instructions and whether you placed the subway folder into the scripts folder. Also, make sure you have the latest version of ScriptHookV. If everything is correct, could you please quote exactly what error message you are seeing?

Very cool metro model! It would also be great to add working TV information screens inside the train cars that display the current station, the next stations, and some advertisement videos.
There is also an issue where NPCs don’t understand where the doors are, so they can’t properly enter or exit the train.