Speed Variation, Absolute Speed and Their Contribution to Safety, with Special Reference to the Work of Solomon
نویسندگان
چکیده
For these distributions only the leading vehicle in a platoon has its speed measured. The rationale for measuring these is to get an estimate of the desired speed of traffic at the point of measurement. The distributions in Figure 1 are of this type. They are produced by combining the results of a number of surveys at different sites into a representative distribution weighted by the traffic flow at each site. The LTSA annual speed surveys measure unimpeded speeds.
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