Sources list for ESSAY TRAFFIC CONGESTION:

BBC NEWS | England | Congestion charge comes into force, available at: http://news.bbc.co.uk/1/hi/england/2764565.stm, accessed on: April 7, 2004
The London Congestion Charge

Jacques Leslie, "Free Flight: The solution to the antiquated air traffic control system? Make pilots their own air traffic controllers!", Accessed on April 23^rd 2004, http://www.wired.com/wired/arch ive/4.04/es.faa.html?pg=1&topic= Jacques Leslie, "Free Flight: The solution to the antiquated air traffic control system? Make pilots their own air traffic controllers!", Accessed on April 23^rd 2004, http://www.wired.com/wired/arch ive/4.04/es.faa.html?pg=1&topic=
Air Traffic Control 'Free Flight' System

Craig C. Freudenrich Ph.D., "How Air Traffic Control Works", Accessed on 23^rd April 2004, http://electronics.howstuffwor ks.com/air-traffic-control.htm Craig C. Freudenrich Ph.D., "How Air Traffic Control Works", Accessed on 23^rd April 2004, http://electronics.howstuffwor ks.com/air-traffic-control.htm
Air Traffic Control 'Free Flight' System

World Report on Road Traffic Injury Prevention. Main Message by the WHO and World Bank, 2004. http://www.who.int/world-health-day/2004/info materials/world_report/en/main_messages_en.pdf World Report on Road Traffic Injury Prevention. Main Message by the WHO and World Bank, 2004. http://www.who.int/world-health-day/2004/info materials/world_report/en/main_messages_en.pdf
Traffic and Road Safety

AMA. (2004). "Congestive Heart Failure." American Heart Association, Inc. {Online} Available: http://www.americanheart.org/p resenter.jhtml?identifier=4585 AMA. (2004). "Congestive Heart Failure." American Heart Association, Inc. {Online} Available: http://www.americanheart.org/p resenter.jhtml?identifier=4585
Congestive Heart Failure