Using a Resourcepack

What is a Resourcepack ?

Basically, a Resourcepack is a zip-file witch, if activated change or add new textures, models, music, sounds, languages, texts, without edditing Minecraft, or mods directly. More informations can be found at : Minecraft Wiki - Resource Pack

In the context of the mod, Resourcepacks can provide new sign textures, new trains textures and/or models and/or sounds.

Where can I find one ?

There is a dedicated channel in the MTR Discord server Channel Link Discord Server MTR Invite

How do I put it in my game ?

The Minecraft Wiki have a very good explanation on this page : Minecraft Wiki - Loading a Resource Pack