RTLC Railroad Addon.zip is a release file of the Minecraft resource pack IR (Immersive Railroading) - RTLC Railroad Addon, made for Minecraft 1.16.5, 1.7.10, 1.12.2. It was published on October 21, 2025 and is 41.3 MB in size. For the full description, screenshots and every other version, visit the IR (Immersive Railroading) - RTLC Railroad Addon resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.