1. ACPO/Department for Transport/Home Office (2005). Roads Policing Strategy. London: ACPO/Df T/Home Office. http://www.acpo.police.uk/asp/policies/data/acp_dft_ho_rp_strat_jan05.pdf .
2. Association of British Drivers (2005). Rigging the Evidence, http://www.abd.org.uk/rigging_the_evidence.htm .
3. Association of Chief Police Officers (ACPO) (2005). ANPR Strategy for the Police Service 2005–08. http://www.acpo;.police.uk/asp/policies/Data/anpr_strat_2005-08_march05_12x04x05.doc .
4. BBC News (2006). Extra Road Camera Uses Dismissed. 7 June. http://news.bbc.co.uk/1/hi/uk_politics/4782384.stm .
5. BBC News (2007). Met Given Real Time C-Charge Data. 17 July. http://news.bbc.co.uk/go/prfr/-/1/hi/uk_politics/6902543.stm .