How is Adjusted Flow Rate Calculated?
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John Less South Dakota DOT |
I am comparing HCS7 results reports for two different sets of demand volumes. The two analyses are close except for the thru movement on one approach - analysis #1 has demand=439, PHF=0.9, & adjusted flow rate=457, analysis #2 has demand=505, PHF=0.84, & adjusted flow rate=1253. Why is the adjusted flow rate more than double the demand volume on the second analysis? Thank you for your help, John (Edited July 29th, 2020 at 5:31 PM UTC) |
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Bill Sampson Sampson Engineering LLC |
Hi John, For a signalized intersection analysis, the adjusted flow rate can be affected beyond the peak hour factor to include the shared lane model and/or flow balancing for adjacent intersections. I would be happy to take a look if you want to send me the files. Thanks, Bill (Edited July 29th, 2020 at 5:32 PM UTC) |
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