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Posted Speed Limits: Where the Maximum Is Not the Recommended. The Need for Discussion and Review of Speed Limit Settings
Excessive speed accounts for approximately one third of road casualty crashes annually in Victoria. Speeding, by a small margin, significantly increases the chance of being involved in a fatal collision. Small reductions in speed reduce this risk. Safer roads designed to minimize collision impacts to within human tolerance levels also have an important role within a safe system. However many roads with high posted speed limits traverse environments that are unforgiving of road user error. Where timely engineering and treatment options may not be possible, speed reduction has a critical role to play in mitigating road trauma in these areas.