I made these for the South Florida conversion that i am currently making for myself so figured i'd share.

This replaces every interstate shield to "I 95". if you live in South Florida then you know thats pretty much the only highway we have.

Installation:
via OpenIV > x64f.rpf >levels >gta5 >props >roadside >v_signs.rpf

Replace the files listed with the ones provided in the .rar archive
prop_sign_interstate_01.yft
prop_sign_interstate_02.yft
prop_sign_interstate_03.yft
prop_sign_interstate_04.yft
prop_sign_interstate_05.yft