This mod requires Menyoo.
Link: https://www.gta5-mods.com/scripts/menyoo-2-0

Installation instructions:
1. Place "Paleto Bay Station" and "Mirror Park Rail Yard" into `C:\Grand Theft Auto V\menyooStuff\Spooner`.

That's it—enjoy! If you encounter any bugs, please report them in the comments section of the site where this mod was distributed.