You can evaluate roads textures and textures of some buildings located on the part of Los Santos that technically named LAn.
Note on the moment that starting from 0:50, where is showed original game defect: when player is walking on the grass in Pershing Square, you can hear the sound of walking on the payment (instead of grass), this thing was fixed in HRT 1.4 and now you can hear the correct sound (listen carefully).
What is HRT 1.4? It is a project of full graphics remastering in GTA: San Andreas; purpose of mod — to raise the level of graphics with using really high definition textures, enhanced models and other things. Mod is in the development.