Institute of traffic accident investigators - www.itai.org

Association for the Advancement of Automtive Medicine - www.carcrash.org

Traffic injury prevention - www.tandf.co.uk/journals/titles/15389588.asp

Uk Car specs - www.ukcar.com

Insurance Institute for Highway Safety - www.iihs.org

Highway Maintenance - www.highwaymaintenance.com

National Highway and traffic safety administration - www.nhtsa.dot.gov

British weather services - www.britishweatherservices.co.uk

Law Society - www.lawsociety.org.uk

Society of Expert Witnesses - www.sew.org.uk

Academy of experts - www.academy-experts.org