Now race-goers can breath test themselves

In Sydney, Australia, the Caulfield Cup races bring 40,000 people to the racetrack. In order to educate people and stop people from driving away intoxicated two breath test instruments were installed. It cost $2 two dollars for the customer to self-test. More instruments may be installed depending on how it works out.
Read more about it in the Sydney Morning Herald at:
http://www.smh.com.au/sport/horseracing/now-racegoers-can-breath-test-themselves-20111014-1lo5q.html