Keith Vodden Dr. Douglas Smith - Transports Canada

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Appendix B—Making Changes to the Models C. CHANGES TO THE ONTARIO SUB-MODELS Four sub-models for Ontario are presented in the current model. Unadjusted data related to collisions meeting the characteristics of the particular sub-model are entered into 4 tables in Spreadsheet OS1—one for each sub-model. Each table is similar in structure to Spreadsheet O1. Currently the sub-models are based on data on the characteristics of motor vehicle collisions in 2004 meeting the characteristics of the particular sub-models. These unadjusted data originally were obtained from ORSAR. Collision characteristics data can be replaced by similar data for other years—for example 2005. In so doing the model automatically updates all calculations based on the new collision data input into Spreadsheet OS1. The analyst should also record the year that the new data represents in cell OS1!A2. This will automatically record the year for the collision data in other relevant spreadsheets. The analyst has control over user-specified parameters in three of the four submodels. When new values are entered these automatically affect the use of resources according to the factor specified in the sub-model relative to the use of these same resources in the core Ontario model. For example, a default factor of 2 applied to police resources in the drinking and driving sub-model implies that twice as many police services are applied to each collision in the drinking and driving sub-model compared to the Ontario model. The cell reference for these user-specified parameters and their default setting are presented below: Cost Component Drinking and Driving Sub-model Large Trucks Freeway Police OSD2!C5—2 OSL2!C5—1.5 OSF2!C5—2 Courts OSD2!C6—2 Fire Tow trucks OSL2!C6—2 OSL2!C7—3 Delay OSL2!C8—3 OSF2!C6—5 TNS Canadian Facts, Social and Policy Research 161
Analysis and Estimation of the Social Cost of Motor Vehicle Collisions in Ontario D. CHANGES TO THE CANADIAN JURISDICTIONS MODEL Unadjusted data on the collisions characteristics for each Canadian jurisdiction is entered into Spreadsheet C1. These data are obtained from TRAID for 2004. Data on collision characteristics can be replaced by similar data for other years— for example 2005. In so doing the model automatically updates all calculations based on the new collision data input into Spreadsheet C1. When making changes to the data in the model, the analyst should also record the year that the new data represents in cell C1!A2. This will automatically record the year for the collision data in other spreadsheets. The most likely users of the Canadian Jurisdictions Model will be individual jurisdictions. As a result the model was designed to provide jurisdiction-specific estimates of the social costs of the motor vehicle collisions. These estimates are produced once the user transfers the revised and adjusted data automatically produced by the model from Spreadsheet C1.3 to corresponding cells in Spreadsheet C2. This is done by copying cells from Spreadsheet C1.3 and pasting them (using the Paste Special/Values function in Excel) to Spreadsheet C2. (For Newfoundland and Labrador appropriate cells to copy from Spreadsheet C1.3 are C1.3!A25:C1.3!F43.) The model then automatically calculates the social cost of collisions occurring in the jurisdiction in Spreadsheet C3. The model can be used to calculate the social cost of motor vehicle collisions occurring in all jurisdictions by copying total collision characteristics automatically calculated for Canada from Spreadsheet C1.3 (correct cells for Canada from Spreadsheet C1.3 are C1.3!A5:C1.3!F23) and pasting them (using the Paste Special/Values function in Excel) to Spreadsheet C2. The model records the social costs for all jurisdictions and for Canada in Spreadsheet C3T. E. MORE ADVANCED CHANGES TO THE MODELS Calculations in the Ontario model are based on factors derived from data collected in the study. These data, the calculations based on them, and the derived factors used in analyses are provided in Spreadsheet B. The analyst has the opportunity to change any of these derived factors either by assuming different factors or by entering new data in place of the data collected during the study. The most likely changes to the model are noted in this section. 1. Price indices The model uses three separate price indices for values related to human consequences (Statistics Canada, The Labour Market, 71-222-XWE), health care costs (Statistics Canada, Consumer Price Index, Health Care Services), and all other cost items (Statistics Canada, Consumer Price Index, All Items). Actual values for these indices are 162 TNS Canadian Facts, Social and Policy Research
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TP 14800F Analysis and Estimation o
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APPENDIX A: DETAIL ON CALCULATIONS
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• Large truck. Collisions involvi
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ABBREVIATIONS CAC Criteria Air Cont
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Analysis and Estimation of the Soci
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III ONTARIO MODEL This chapter desc
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Ontario Model redistribution. Simil
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Ontario Model • Pedestrian Injure
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Ontario Model Based on this analysi
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Ontario Model Step 3 Allocate addit
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Ontario Model damaged based on this
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Ontario Model 1. Number of total an
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Ontario Model 2.99; specialist—1.
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Ontario Model 5. Tow trucks Tow tru
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Ontario Model Exhibit III-5 Core WT
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Ontario Model We combine this value
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Ontario Model 6. Ambulance The Onta
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Ontario Model individuals who self-
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Ontario Model threatening injury, p
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Ontario Model d) Additional Polluti
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Ontario Model VARIABLE DATA LOST TI
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Ontario Model We have no data to gu
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V ONTARIO SUB-MODELS AND THEIR SOCI
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Ontario Sub-Models and Their Social
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Keith Vodden Dr. Douglas Smith - Transports Canada

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