Safestreet authored the first edition of the Manual for Setting Speed Limits on Municipal Road Networks, published by the Quebec Ministry of Transportation in 1998 and helped produce subsequent editions. The original task consisted of finding a method compatible with the use of the 85th percentile speed, but without requiring the measurement of traffic speeds. Safestreet understood that the 85th percentile expresses the way drivers read the road and identified those road geometry elements that are the most significant. |
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