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Home / New Zealand

Researchers join roadblocks

Herald on Sunday
15 Dec, 2012 04:30 PM3 mins to read

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Researchers will join police to look for drink-drivers. Photo / Bradley Ambrose

Researchers will join police to look for drink-drivers. Photo / Bradley Ambrose

Drink-drivers who pass breath tests at the centre of road risk study.

Researchers are on the roads trying to estimate how many people are driving around just under the limit in the face of the Government's refusal to lower drink-driving thresholds.

University of Canterbury senior lecturer Eric Crampton was out with Christchurch police on Friday night looking for drivers who had been drinking.

Crampton said it was impossible to know whether the number of people killed in crashes involving drivers with blood-alcohol readings of 50mg to 80mg - as revealed in the Herald on Sunday last week - was high until it was known how many drivers were on the road with that level of alcohol in their systems.

"There's a lot we don't know about what's going on," Crampton said.

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For instance, if a third of drivers were in that range and 30 per cent of the crash deaths were as well, that was about what would be expected.

Crampton's outing was to check how many research assistants would be required to discover the number of drivers with levels of alcohol in their systems below the legal limit.

A record is kept of readings which exceed the limit but there is no data retained on drivers with readings below the limit.

"It will take someone walking around behind the police," Crampton said. If the study was feasible, he would try to get funding for it.

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Economics and finance professor Glenn Boyle said until such a study was done, people might be drawing a link where there wasn't one. He said the number of crashes involving alcohol readings between 50mg and 80mg needed to be put into the context of the total number of people on the road with those readings.

National Addiction Centre director Professor Doug Sellman is convinced there is a link. He said every time someone died in an alcohol-fuelled car crash, it was a chance to point out that former Transport Minister Stephen Joyce was partly responsible.

The Government has refused to move on a lower blood-alcohol limit for drivers until it receives the results of data from the Ministry of Transport and a driver-simulation study from Waikato University.

Sellman said Government "delay tactics" were costing lives. All the information was already available to make a decision, he said. "Joyce didn't act on the international research that was there already. None of the research says we need more research. Only Stephen Joyce believed that."

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Sellman said the point of a lower limit was that it would reduce the number of drivers with higher alcohol levels, too.

The Herald on Sunday has been campaigning for a lower breath-alcohol limit, and statistics last weekend showed 20 people had been killed in the past four years in road accidents involving drinking drivers who were just under the current legal limit. But even that wasn't enough to force any response from the Government.

A spokeswoman for Associate Transport Minister Simon Bridges said the Government would make a decision after two years of New Zealand research on the risk from drivers with a blood-alcohol limit between 50mg and 80mg per 100ml of blood.

Data will go to the Government in 2014.

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