JaneOrShannon.zip is a release file of the Minecraft resource pack Shannon (or is it Jane?) for Immersive Railroading, made for Minecraft 1.10.2, 1.11.2, 1.12.2. It was published on September 30, 2018 and is 2.1 MB in size. For the full description, screenshots and every other version, visit the Shannon (or is it Jane?) 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.