ps_class_52_western.zip is a release file of the Minecraft resource pack BR Class 52 Western for Immersive Railroading, made for Minecraft 1.16-Snapshot, 1.16.3, 1.15-Snapshot, 1.16.1, 1.10-Snapshot, 1.14.4, 1.14.1, 1.12.1, 1.12, 1.14.3, 1.15, 1.16 and more. It was published on March 30, 2022 and is 25.6 MB in size. For the full description, screenshots and every other version, visit the BR Class 52 Western for Immersive Railroading resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.