• Front Matter R1-R9

• Summary 1-15

• Chapter 1 - Introduction 16-16

• 2.1 Vehicle Classification 17-17

• 2.2 WIM Data 18-20

• 3.1 Vehicle Classification 21-32

• 3.2 WIM 33-40

• 4.1 Data Collection Needs 41-42

• 4.3 Understanding Equipment Characteristics 43-45

• 5.1 Identify User Requirements 46-46

• 5.2 Determine Site Location and System Requirements 47-47

• 5.3 Determine Design Life and Accuracy Requirements 48-48

• 5.4 Budget Necessary Resources 49-49

• 5.5 Develop, Use, and Maintain a Quality Assurance Program 50-51

• 5.6 Purchase Equipment with a Warranty 52-52

• 5.8 Calibrate and Maintain Calibration of Equipment 53-56

• 5.9 Conduct Preventive and Corrective Maintenance 57-58

• Abbreviations used without definitions in TRB publications 59-59

Weinblatt, H, Hallenbeck, M, Transportation Research Board " 4.3 Understanding Equipment Characteristics ." NCHRP Report 509: Equipment for Collecting Traffic Load Data . Washington, DC: The National Academies Press, 2004 .

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