Use of permanent traffic recorder data to develop factors for traffic and truck variations
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2002-10-01
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Abstract:This project entailed the development of the following four traffic volume adjustment factors from 1995 and 1996 permanent traffic recorder data: (1) A truck (axle) adjustment factor for single pneumatic tube counters; (2) A factor for estimating Design Hourly Volume (DHV) from Peak Hour Volume(PHV); (3) A factor for estimating the % trucks in the Average Daily Traffic (ADT) from the % trucks in the PHV; and, (4) A factor for estimating the % trucks in the ADT from the % trucks in the typical hours in a manual classification study, which are 7 am - 10 am, 11 am - 1 pm, and 2 pm - 6 pm.
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