The effectiveness of random breath testing: A comparison between the state of Tasmania, Australia and four states in the Eastern United States.

Random breath tests appear to have evolved as an effective prevention tool in Tasmania due to the consistency of enforcement which has resulted in fewer intoxicated drivers on Tasmanian highways, a lower breath alcohol level when found and fewer alcohol related highway driving deaths. This same prevention method, although effective in a few U.S. states, has met with stiff court challenges in others leaving it far less of a useful tool.