Where can I find the mod to manage the train? (Grand Theft Auto 5)

Train Simulation Mod or Railroad Engineer.
Both do what you want.

a link can be?

pashtet0210
http://gta5-game.com/mods/raznoe-mods-gta-5/131-railroad-engineer-mod-na-upravlenie-poezdom-i-tramvaem-v-gta-5.html

thanks all))