Could you point us at an explanation of the location specific settings?

 

FSUIPC 4.959 Changes.pdf, which is included in the download explains the settings very clearly.

http://www.avsim.com/topic/500104-fsuipc-4959-now-has-an-ai-traffic-limiter-somewhat-like-the-traffic-optimizer-addon/?p=3532144

http://www.avsim.com/topic/500104-fsuipc-4959-now-has-an-ai-traffic-limiter-somewhat-like-the-traffic-optimizer-addon/?p=3532144

Thanks