We reported earlier the need for additional study of Australia’s mandatory bicycle helmet law. That’s been done.

An interesting study was released last month which models the health benefits of Australia’s mandatory bicycle helmet law.

The bottom line: Australia’s mandatory bicycle helmet law has adversely affected overall health.

A model is developed which permits the quantitative evaluation of the benefit of bicycle helmet laws. The efficacy of the law is evaluated in terms of the percentage drop in bicycling, the percentage increase in the cost of an accident when not wearing a helmet, and a quantity here called the “bicycling beta.” The approach balances the health benefits of increased safety against the health costs due to decreased cycling.

Using estimates suggested in the literature of the health benefits of cycling, accident rates and reductions in cycling, suggest helmets laws are counterproductive in terms of net health. The model serves to focus the bicycle helmet law debate on overall health as function of key parameters: cycle use, accident rates, helmet protection rates, exercise and environmental benefits.

This study also estimated the health impact of a mandatory U.S. helmet law would cost approximately $5 billion per year.

The idea of a Michigan state law requiring bicycle helmets came up during a 2004 Senate hearing while we were updating Michigan’s bicycle laws. I noted that helmets use should be voluntary. The kid that rides his bike with or without a helmet is far healthier than the kid that doesn’t ride a bike at all. We shouldn’t throw up barriers to having more kids riding bicycles.

Fortunately Michigan does not have a mandatory bicycle helmet law, but some Michigan communities do:

• Adrian (under 15)
• E. Grand Rapids (under 18)
• Farmington Hills (under 16)
• Kensington Metropark (all ages)

Among these, the Kensington helmet requirement is quirky.

The Metroparks don’t require helmets. Milford Township has an ordinance that applies to bicyclists only at Kensington while riding on the paved trail where it’s 10 feet wide. And the helmet must meet the ANSI standard, eventhough there was no ANSI helmet standard from 1998 through 2003.

It appears you do not need to wear a helmet while bicycling on the roads or any unpaved designated bike trails at Kensington.

Tags: Helmets, Kensington Metropark, Milford

This entry was posted on Sunday, April 19th, 2009 at 12:39 pm and is filed under Health, Law, Safety. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

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