Re: [messengers] The effects of "Enforcing" mandatory helmet laws in Australia

Date: 1 Apr 2010 05:04:47 +0200
From: "scooter ." <meisterfoolish@xxxxxxxxx>

you gotta be careful with them stats.
what year did the helmet laws come in? werent they back in the big bad
eighties? i had it pegged around 86-88 or sumfin. so for a 36% decline in
90-91 may well be blamed on something else, bad weather year/media scare
campaign/TV/VCR/the apple 2e?

On Tue, Mar 23, 2010 at 8:13 AM, Michael Dodd <mikeydodds@xxxxxxxxx> wrote:

> Hey fellas, was having a discussion last night with some people of how
> mandatory helmet laws effected cycling in Aussie land.
> The reality is that cycling numbers didn't drop until they started
> enforcing
> mandatory helmet laws.
> Below are some stats of cycling numbers after they started enforcing these
> helmet laws.
> "
> Victoria: Total bicycle use by children aged 5-18 decreased by 36 per cent
> from May/June 1990 to May/June 1991. There were further decreases to
> May/June 1992, with teenage cycling in Melbourne showing by then a 46 per
> cent decrease from pre-law levels.
> South Australia: The Office of Road Safety, in reporting its evaluation of
> helmet legislation, said "Due to the disparate nature of the results from
> different sources, it is not possible to be conclusive about the effect of
> the requirement to wear bicycle helmets on the number of cyclists." The
> report noted that Harrison's (1994) study of school children showed a 38
> per
> cent decline in cycling from September 1988 to March 1994. This is likely
> to
> under-estimate the decline due to the helmets law because cycling is more
> popular in March than September in southern Australia. A review of this
> report may be found here <>.
>   -
>  Western Australia: A 1992 survey commented that the numbers of children
> cycling to primary schools and numbers of recreational cyclists declined
> from 1991 to February 1992. A 1993 survey presents limited data which show
> some decline in numbers of WA children cycling to school. Its limited
> observations of "commuter" cyclists indicate an increase in numbers after
> the helmet law, but a decline of over 50 per cent for cyclists classed as
> recreational. Data from automatic counter surveys conducted by Main Roads
> showed a decline of 38 per cent from October-December 1991 to
> October-December 1992 in cyclists crossing the Narrows and Causeway bridges
> on Sundays. I obtained from Main Roads similar data for weekdays. These
> also
> showed sharp declines.
> ACT: Automatic counters on bicycle paths registered declines from 1991 to a
> similar period in 1992 of about one third on weekdays and about half at
> weekends.
> In Queensland and the Northern Territory, surveys were done by other
> organisations. The Royal Automobile Club of Queensland conducted surveys,
> mainly of cycling to schools, which showed a decline of 22 per cent from
> 1990 to 1991. Owing to changes in the survey conditions, however, the real
> decline probably exceeded 30 per cent - and it occurred before the law was
> enforced.
> The Road Safety Council of the Northern Territory did surveys which showed
> there was little change just after the law in the numbers of children
> cycling to primary schools, but a decline of 17 per cent by the following
> year. Numbers cycling to secondary schools declined by 36 per cent soon
> after the law and were down 39 per cent within a year."
> heres the link
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