Sent to you by nigel via Google Reader:
This week starts our two-part series on impaired driving.
The map shows the top 20 of Ontario's 523 postal areas for driver's licence suspension for impaired driving in 2007. I excluded two low-population areas.*
There are several distinct clusters:
Northwestern Ontario stands out, with Sioux Lookout (#1 on the list), Kenora and Fort Frances all in the top 20.
Communities in the Muskoka-Parry Sound area have four places in the top 10.
Two postal areas in and around Brockville are in the top 20.
Both of Cornwall's two postal codes are on the list.
Preston and a nearby Cambridge postal code are #20 and #19, respectively.
The information was obtained from the Ministry of Transportation under freedom-of-information legislation. It is taken from the database that supports this program (scroll down to Immediate Licence Suspension).
Using the FOI process sometimes seems to imply some tension between a journalist and a branch of government. That is certainly sometimes the case. However, in this instance, the MOT very helpfully threw in the age and sex of the suspended drivers, data I hadn't thought to ask for.
Here is what we learn from this extra information:
The male-female ratio is about 7:1 (14,551 to 2,365).
The age graph is surprising. There are very few teenagers. The graph rises steeply at 20, peaks at 23, declines gently after that point, then starts to rise again at 40, hitting a second peak at 45. After that point, it shows a clear second decline.
Click on the chart to see the full image.
In part 2, which may or may not run next week, we will look at the impaired driving map of the GTA.
Map may display better in Firefox.
* L0H (Gormley), with five suspensions and a population of 713, and K1P (central Ottawa) with two suspensions and a population of 396.
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