Kuid Finder Trainz Exclusive __full__ | Ultra HD |

The "Virtual Swap" Tool. If the KUID is marked 🔴 Red (Missing), this feature suggests the closest available match.

When you download a community-made route like "Sherman Hill 1955" or "Clinchfield Railroad," the route file doesn't actually contain the trees, buildings, or locomotives. It only contains a list of KUIDs. Your game then fetches those assets based on those numbers. If the number is missing, the game either substitutes a default item (if you're lucky) or leaves a gaping, invisible hole in the track (if you're not).

However, every veteran Trainz user knows the dreaded phrase: "Unknown Location: kuid:xxxxx:yyyyy"