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@qiafanxu Vehicles has their own glass texture, so yeah, it's necessary.

@qiafanxu Yeah it's possible but good luck as that involves modifying all vehicles in the game.

@StarlightDX Yes as it replaces all windows.

@TOWUnderR Yeah the station coordinates can be adjusted, but I know nothing about them so didn't edit the tracks4.dat file.

@Xire It's the default texture but modified by myself to have different color.

I can't touch script mods because I have zero knowledge with scripting. Plus, the vanilla trains have no issues to begin with, unlike the tram which is extremely slow in the vanilla game.

@liquido There's a couple mods that already does this.

@floydturbo I have to ask someone who does map editing for this. I only know about texture modding so map edits such as adding light sources is now outside of my scope, but anyone can add them if they really want to.

@Toniqyhx Applies to all trains in the system, as both GTA IV and GTA V can't seem to spawn varations in train signs.

@Frank D Castle Script changes are beyond my scope, but is still open for this version of the mod if anyone is willing to improve the subway code further.