Taxi ranks are proviced on-street for use by hackney carriages. They are provided where a demand has been identified, such as outside large establishments like clubs, bus and rail stations etc, or at locations wher the public or taxi operations have suggested they would be beneficial. Listed below are links that advise on location of taxis ranks and fares.
http://www.peterborough.gov.uk/services_a-z.aspx?ServID=217