sr_q1.zip is a release file of the Minecraft resource pack Southern Railway Q1 for Immersive Railroading, made for Minecraft 1.16.5, 1.11, 1.15.2, 1.10, 1.7.10, 1.14.2, 1.12.2. It was published on August 28, 2022 and is 9.7 MB in size. For the full description, screenshots and every other version, visit the Southern Railway Q1 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.