One for the road
Source: <a href="http://www-nrd.nhtsa.dot.gov/pdf/nrd-30/ncsa/ppt/2006/810639.pdf">http://www-nrd.nhtsa.dot.gov/pdf/nrd-30/ncsa/ppt/2006/810639.pdf</a>
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And yes this is tongue and cheek, most cycling statistics do not provide enough information to draw much if any conclusions from.
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