planes vs cycles

You seem to intentionally be mixing your units in order to
prove some point. [...]

If you want to compare overall transportation safety, then a measure that
accounts for the number of passengers is useful. If you want to compare
individual passenger risk, then a per-trip analysis would be more useful.

As an example of someone that might care about [overall transportation safety
instead as opposed
to individual passenger risk] consider an insurance underwriter writing
policies that cover
passenger losses.


My point is really the same as yours - that comparing apples to hand grenades
is tricky. As for an insurance underwriter, depending on the policy, there
will be more people paying for policies in airplanes than in motorcycles, so
the costs is spread out too. However, having the state spend money to address
road safety vs airway improvements would be an example of where the raw numbers
rather than the "relative risk" is more important.

Jose


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