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by scarmig
6 days ago
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If a driver doesn't get into a crash after a single mile, you can't conclude that they are safer than the average driver. If a driver does get involved in a crash after a single mile, it's very likely that they are not safer than the average driver. It could of course be extraordinarily bad luck, but that's unlikely. |
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This is not that simple. Emergency service vehicles are at a very high risk of collision when they pull out of the station and crossings close to the station, or when leaving a situation under time pressure. Busses are at an increased risk of collision when pulling away from a bus stop. Construction vehicles are at a high risk of collision when they pull away from a construction site at a busy road.
Hence why you need more data, after which average accidents per mile are a much stronger indicator.