export map data

Hi All,

How do i create database for a specific region.
I tried OpenStreetMap XML data its gives too much data other than region i want .
and I want data only for my specific region as per kml below.

I just want road/strret information .
where it starts,its intermediate points and end points

Can you please guide me on same

Please reply me at rahulm@mmcc.co.uk

Thanks in advance

Rahul M