TRN Loves Cachemas too
This a kinda Evil 2 part Multicache, and Not at the Posted location
Take a short walk to the Posted coords WP1 and find a small Sign on the Fence
Enter the 3 Letters that are Graphiti on the Sign into the Checker below to get your Final Coords

You can validate your puzzle solution with
certitude.
Happy Cachemastym!
Ryringvba qrivpr erdhverq, fgrnygu jvyy or qvssvphyg nf trggvat guvf bar ohg lbh xabj jung gb qb