Miszko's_Train_Pack_0.5.1 is an alpha file of the Minecraft resource pack [IR/Immersive Railroading] Miszko's Train Pack, made for Minecraft 1.15, 1.16, 1.13, 1.12, 1.11, 1.14. It was published on August 7, 2021 and is 169.7 MB in size. Pre-release builds can contain bugs — back up your world before installing. For the full description, screenshots and every other version, visit the [IR/Immersive Railroading] Miszko's Train Pack resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.