Perhaps someone who has dabbled in fallout 3/nv can answer this, but I noticed that fallout 4 full interface/subtitles/audio for various languages.
So, my question is this, when you are playing the Russian(or french, or etc) version of the game, is a stop sign in English?
I just got to toying with the idea, of trying to grab assets from all the different localization's, and porting them into the English version. That way, I could have a settlement, that every last person speaks Russian (for example). It'd take at least a little work, as you would have to rename the assets probably, so they don't overwrite your native language... but it could be neat to run into a person speaking another language. (And since its likely different voice actors, and language signs, you have about 4x the voices to work with.)