http://www.jointogether.org/sa/news/alerts/reader/0%2C1854%2C578654%2C00.html
"'There is no traffic safety policy with more evidence for its effectiveness than minimum legal drinking age laws,' said Robert B. Voas, Ph.D., an author of the study. 'Traffic crashes by young drivers were declining in New Zealand when that country decided to lower its drinking age. Thereafter, the overall road toll for those drivers rose dramatically."
