Please consider adding the number of drivers to the traffic speed display. The greater number of drivers the greater the confidence in the
Please consider adding the number of drivers to the traffic speed display. The greater number of drivers the greater the confidence in the speed displayed. Conversely if a speed along a corridor is based on only a few drivers the accuracy is questionable.
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Dignity Matters
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perhaps express confidence / density in a color shifting bar of variable thickness or luminosity?