Description:
This report describes procedures state departments of transportation can use to determine the location and frequency of their truck monitoring activities. The objective of the recommended procedures is to help a state design a program that cost-effectively meets its needs for traffic data within its overall pavement management structure. If the data are collected and used properly, they should provide a much more effective pavement design and management process than is currently available, thereby increasing the reliability of pavement designs; decreasing overall pavement construction, maintenance, and rehabilitation costs; and improving a state's ability to manage its pavement infrastructure.
This summary report discusses:
- the procedures required to determine the number and distribution of continuous, automatic vehicle classification (AVC) and weigh-in-motion (WIM) devices within a state;
- a system for using the data gathered with these devices to adjust data from short duration vehicle classification and WIM counts to better estimate average annual conditions;
- the appropriate length of short duration AVC and WIM counts required to develop annual average estimates of travel within specified levels of precision and
- research performed in Florida and Washington that illustrates the variability of vehicle classification and truck weight data that states can expect to find on their roads.
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Date Published:
January, 1994
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Publication Number:
WA-RD 320.1
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Last Modified:
October 23, 2007
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Authors:
Mark E. Hallenbeck, Amy J. O'Brien.
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Originator:
Washington State Transportation Center (TRAC)
- # of Pages: 48 p., 1,250 KB (PDF)
- Subject: Automatic vehicle classification, Automatic vehicle monitoring, Data collection, Highway capacity, Pavement management systems, State departments of transportation, Traffic counts, Traffic flow, Trucks, Vehicle classification, Weigh in motion.
- Keywords: Pavement management systems, truck counts, traffic counting, Washington (State)
- Related Publications: Truck Loads and Flows, (WA-RD 320.2).
Final Technical Report for Task A: Truck Loads and Flows, (WA-RD 320.3).
This abstract was last modified April 29, 2008