Hi
HOW TO:
1. Download, install and run OpenIV
2. Navigate to the following:

vehicleaihandlinginfo

common.rpf/data/ai/

3. BACKUP YOUR OWN FILES (rightclick file extract... to desktop)This is your backup. 
4. Make folder editable with OpenIV:
5. Right Click: Replace with modded version.(or drag and drop)
6. Enjoy!
Any problems comment on GTA-MODS.com to MxT333

Lifelike Traffic Speeds
No more old grannies on the road. 
Well theres still grannies but they drive faster.
Trust me, I used a protractor. 

Mod Changes:
v1.0 
Ai traffic tweeked to lifelike results.
Low crash rate, if they do crash it sure is an accident. 
Traffic turns much quicker. 
Traffic flow increased to to the speeds. everything moves more fluidly 

Future updates will include work on turning speeds more. 