cbq_steam_loco_pack.zip is a release file of the Minecraft resource pack (Immersive Railroading) CB&Q locomotive pack (outdated), made for Minecraft 1.16.5, 1.14.4, 1.15.2, 1.13.2, 1.12.2. It was published on December 20, 2021 and is 15.4 MB in size. For the full description, screenshots and every other version, visit the (Immersive Railroading) CB&Q locomotive pack (outdated) resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.