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HPMS HINT

HPMS HINT:The translation for single unit is (combos are the same, just replace with su):

From old su_peak to new su_peak = old su_peak * k-factor / 100

From new su_peak to old su_peak = new su_peak / k-factor *100

 

For example, let’s say our data are:

SU Peak Hour Vol = 100

Peak Hour Vol = 900

Daily Volume = 11111

 

Our example HPMS stats are:

k-factor=900/11111*100 = 8.1

old su_peak (wrong) = 100 / 900 * 100 = 11.1

new su_peak (right) = 100 / 11111 * 100 = .9

 

So the conversion is:

from old to new: old su_peak * k-factor / 100 = 11.1 * 8.1 / 100 = .9 (the correct new su peak)

from new to old: new su_peak / k-factor *100 = .9 / 8.1 * 100 = 11.1 (the correct old su peak)

September 9, 2013 by Laura Harwin Leave a Comment

Filed Under: High Desert Traffic Expertise Tagged With: hpms

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