American Railroad Construction Pack is a beta file of the Minecraft resource pack IR American Railroad Construction Pack, made for Minecraft 1.12.1, 1.12, 1.10.2, 1.11, 1.10, 1.10.1, 1.11.1, 1.11.2, 1.12.2. It was published on May 25, 2019 and is 4.9 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 American Railroad Construction Pack resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.