Station Scene - lighting and textures

Hello all my name is Devin Gee I’m an environmental artist I’m currently working on a scene called station. I need some help with lighting and the decals in my scene. The decals are not appearing anymore and my textures are getting blurred out and I’m not sure why.

missingDecals_01.jpg
here is an exmaple

Check your engine scalability settings to make sure they didn’t get turned down for some reason.