National Academies Press: OpenBook

High-Speed Weigh-in-Motion System Calibration Practices (2008)

Chapter: Appendix C - WIM Inventory

« Previous: Appendix B - Survey Questionnaire
Page 93
Suggested Citation:"Appendix C - WIM Inventory ." National Academies of Sciences, Engineering, and Medicine. 2008. High-Speed Weigh-in-Motion System Calibration Practices. Washington, DC: The National Academies Press. doi: 10.17226/23062.
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Page 93
Page 94
Suggested Citation:"Appendix C - WIM Inventory ." National Academies of Sciences, Engineering, and Medicine. 2008. High-Speed Weigh-in-Motion System Calibration Practices. Washington, DC: The National Academies Press. doi: 10.17226/23062.
×
Page 94
Page 95
Suggested Citation:"Appendix C - WIM Inventory ." National Academies of Sciences, Engineering, and Medicine. 2008. High-Speed Weigh-in-Motion System Calibration Practices. Washington, DC: The National Academies Press. doi: 10.17226/23062.
×
Page 95
Page 96
Suggested Citation:"Appendix C - WIM Inventory ." National Academies of Sciences, Engineering, and Medicine. 2008. High-Speed Weigh-in-Motion System Calibration Practices. Washington, DC: The National Academies Press. doi: 10.17226/23062.
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Page 96

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93 APPENDIX C WIM Inventory

AK AL AR AZ CA CO CT FL ID KS LA MA MD MI (T) (T) (E) TYPE I SYSTEMS Dual Use Systems 6 14 0 6 6 0 0 0 0 8 0 1 20 WIM Lanes 56 8 16 16 ? 80 Sensor Type(s) BP, LC BP LC BP LC,PZ QZ BP,QZ Traffic Data Systems 0 0 11 101 0 5 (R) 7 18 2 0 0 0 13 WIM Lanes 22 412 ? 22 40 3 52 Sensor Type(s) BP, PZ BP, QZ QZ BP PZ BP,PZ BP,QZ Enforcement Systems 0 0 0 28 13 0 2 0 0 0 0 0 WIM Lanes 60 15 2 Sensor Type(s) BP LC LC TYPE II SYSTEMS Dual Use Systems 0 0 0 2 0 0 0 0 0 0 0 0 24* WIM Lanes 2 96* Sensor Type(s) PZ PZ* Traffic Data Systems 0 54 7 0 16 34 0 8 0 12 6 WIM Lanes 174 7 62 90 17 30 6 Sensor Type(s) PZ PZ ? BP,QZ,P Z PZ PZ PZ Enforcement Systems 0 0 0 0 0 11 0 0 0 0 0 0 WIM Lanes 11 Sensor Type(s) PZ (T) Traffic Unit declined to provide info (R) Research Unit info only BP: Bending Plate LC: Load Cell (E) Enforcement Unit declined to provide info QZ: Quartz Piezo PZ: Conventional Piezo * Appears to be a duplication of "Dual Use" counts

MS MT NC ND NE NH NJ NM NV NY OK OR PA SC (T) TYPE I SYSTEMS Dual Use Systems 1 10 3 12 0 0 0 1 0 0 22 0 0 WIM Lanes 4 19 2 0 4 24 Sensor Type(s) BP BP,QZ ? QZ BP,QZ LC Traffic Data Systems 0 2 1 0 0 0 3 5 22 0 0 0 0 WIM Lanes 4 1 12 20 ? Sensor Type(s) PZ ? ? BP,QZ ? Enforcement Systems 0 7 0 0 0 0 0 0 0 0 0 0 0 WIM Lanes 11 Sensor Type(s) BP,QZ TYPE II SYSTEMS Dual Use Systems 15 0 0 0 0 0 0 0 0 0 0 0 12 WIM Lanes 4 44 Sensor Type(s) BP PZ Traffic Data Systems 0 24 0 0 4 65 13 0 0 20 0 8 0 WIM Lanes 66 18 260 48 76 9 Sensor Type(s) PZ PZ ? ? PZ QZ Enforcement Systems 0 0 0 0 6 0 0 0 0 0 0 0 0 0 WIM Lanes 6 Sensor Type(s) ? (T) Traffic Unit declined to provide info (R) Research Unit info only BP: Bending Plate LC: Load Cell (E) Enforcement Unit declined to provide info QZ: Quartz Piezo PZ: Conventional Piezo

TN TX UT VA VT WA WI WY TYPE I SYSTEMS Dual Use Systems 0 0 3 3 0 11 0 0 WIM Lanes 3 10 11 Sensor Type(s) LC QZ LC Traffic Data Systems 0 12 0 4 0 1 1 0 WIM Lanes 48 10 2 4 Sensor Type(s) BP BP,QZ ? BP Enforcement Systems 0 0 0 14 0 0 0 WIM Lanes 14 Sensor Type(s) LC TYPE II SYSTEMS Dual Use Systems 0 0 0 0 17 11 0 0 WIM Lanes 46 11 Sensor Type(s) PZ LC Traffic Data Systems 30 4 9 0 0 32 10 9 WIM Lanes 2 16 56 90 30 22 Sensor Type(s) PZ PZ PZ ? PZO PZ Enforcement Systems 0 0 0 0 0 0 0 0 WIM Lanes Sensor Type(s) (T) Traffic Unit declined to provide info (R) Research Unit info only BP: Bending Plate LC: Load Cell (E) Enforcement Unit declined to provide info QZ: Quartz Piezo PZ: Conventional Piezo

Next: Appendix D - Aggregate Survey Results (All High-Speed WIM Applications) »
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TRB’s National Cooperative Highway Research Program (NCHRP) Synthesis 386: High-Speed Weigh-in-Motion System Calibration Practices explores the state of the practice in high-speed weigh-in-motion system calibration. Weigh-in-motion is the process of weighing vehicle tires or axles at normal roadway speeds ranging up to 130 km/h (80 mph).

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