FEAR2105

This mod aims to add most of unused cars of the game into traffic in realistic way.
Currently in early beta test versions so if you encountered any bugs or strange spawns in game, mention it in commencts section.

1: This mod is an .oiv install package so you just need to install it with "OpenIV".
2: You need some trainer to prevent despawning of Multiplayer DLC cars.
3: You may need some modified "gameconfig.xml" and/or "Heapadjuster".

Here are links to some of mentioned required files.
 
Trainer:
Simple Trainer for GTA V - GTA5-Mods.com

Gameconfig: (Choose one)
Gameconfig (1.0.2699) for Limitless Vehicles - GTA5-Mods.com
GitHub - pnwparksfan/gameconfig: GTA V Gameconfig

Heapadjuster:
HeapAdjuster - GTA5-Mods.com

IMPORTANT Note - Created and tested on Latest version of GTA V (1.0.2699)
No guarantee for early versions.

Changelogs:
 
v0.1
basic version of new realistic traffic
 
v0.2
Added new realistic way to spawn different sort of cars in different areas (Hyper cars - Antique cars - Custom Bikes and more)
Better spawn of cars in city areas
Added support of county parts for new traffic
Added Offroad cars roaming in some offroad areas
Added police cars and sheriff spawns into traffic in their territories
Minor changes for better realism and lore
Minor bug fix of traffic spawn