The Government hopes increased breath testing will make people think twice about drink-driving.
It's aiming to conduct 3.3 million breath tests a year, with 65-percent at the highest risk times and places.
1.3 billion dollars is being funnelled into the initiative over three years.
Transport Minister Simeon Brown told Mike Hosking this funds Police to keep our roads safe.

Mark the Week: The fuel excise debate is fantastically disappointing
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Mike's Minute: Why didn't the Government drop the carbon auctions?
02:07

Wrapping the Week with Kate Hawkesby and Tim Wilson: Cancelled flights, parenting, calls from the Electoral Commission
11:09