Cost of traffic data access?

[Ian Batten]

On 13 Aug 2010, at 19:40, Peter Fairbrother wrote:

> If the Police want to get traffic to and from a server/IP address,  
> how much does it cost them? I know the ISPs charge, but can anyone  
> say how much?
>
>
> For a more specific example, suppose they want a month's traffic  
> data to and from a TOR node - quite a lot of data, size, time, IP  
> addresses - but only one IP to watch. How much?

What do you mean by "traffic data" in this context?    What logs would  
an ISP hold such that TOR traffic would be recorded in any form?   
Isn't this straight interception?

ian