Tools and Strategies for Eliminating Assaults Against Transit Operators, Volume 1: Research Overview (2018) / Chapter Skim
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16 As mentioned previously, the risk of driver assault on a given route may be conceptualized as a tripartite function -- risk is affected by the potential for an assault (threat) , the probability that an assault would be successful (vulnerability)
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Risk Methodology 17 and maintenance; and response considerations such as police or security response and displacement of crime. A rating scale was developed for the route factors encompassing both quantitative and qualitative approaches to identifying and analyzing the factors.
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18 Tools and Strategies for Eliminating Assaults Against Transit Operators: Research Overview 11Tools and Strategies For Eliminating Assaults Against Transit Operators, Interim Report 1, November 2014. 12These categories are based upon U.S.
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Risk Methodology 19 On any given route within a system, there are various types of incidents that may occur. In general, the risk of such incidents occurring is related to the historical frequency of such incidents occurring along the route.
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20 Tools and Strategies for Eliminating Assaults Against Transit Operators: Research Overview System Factor Region and Population Density Risk Factor Rank South • Metropolitan areas • Cities • Nonmetropolitan areas 5 5 3 1 Midwest • Metropolitan areas • Cities • Nonmetropolitan areas 2 3 2 1 West • Metropolitan areas • Cities • Nonmetropolitan areas 3 3 6 2 Northeast • Metropolitan areas • Cities • Nonmetropolitan areas 2 3 5 3 Route Factor Incident History Factor Risk Factor Rank <1 Aggravated Driver Assault/60 Months 116 1 Aggravated Driver Assault/60 Months 2 1 Aggravated Driver Assault/48 Months 3 1 Aggravated Driver Assault/36 Months 4 1 Aggravated Driver Assault/24 Months 5 1 Aggravated Driver Assault/18 Months 6 1 Aggravated Driver Assault/12 Months 7 <1 Simple Driver Assault/60 Months 1 1 Simple Driver Assault/60 Months 2 1 Simple Driver Assault/48 Months 3 1 Simple Driver Assault/36 Months 4 1 Simple Driver Assault/24 Months 5 1 Simple Driver Assault/18 Months 6 1 Simple Driver Assault/12 Months 7 <1 Minor Driver Incident/60 Months 1 1 Minor Driver Incident/60 Months 2 1 Minor Driver Incident/48 Months 3 1 Minor Driver Incident/36 Months 4 1 Minor Driver Incident/24 Months 5 1 Minor Driver Incident/18 Months 6 1 Minor Driver Incident/12 Months 7 <1 Generalized Driver Threat/60 Months 1 1 Generalized Driver Threat/60 Months 2 1 Generalized Driver Threat/48 Months 3 1 Generalized Driver Threat/36 Months 4 1 Generalized Driver Threat/24 Months 5 1 Generalized Driver Threat/18 Months 6 1 Generalized Driver Threat/12 Months 7 Table 4. Look-up table: risk factor and risk factor rank.
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Risk Methodology 21 1 Simple to Aggravated Driver Assault/18 Months 7 1 Simple to Aggravated Driver Assault /12 Months 7 <1 Minor Incident to Simple Driver Assault/60 Months 1 1 Minor Incident to Simple Driver Assault/60 Months 3 1 Minor Incident to Simple Driver Assault/48 Months 4 1 Minor Incident to Simple Driver Assault/36 Months 5 1 Minor Incident to Simple Driver Assault/24 Months 6 1 Minor Incident to Simple Driver Assault/18 Months 7 1 Minor Incident to Simple Driver Assault/12 Months 7 <1 Repeat Aggravated Driver Assault/60 Months 1 1 Repeat Aggravated Driver Assault/60 Months 3 1 Repeat Aggravated Driver Assault/48 Months 4 1 Repeat Aggravated Driver Assault/36 Months 5 1 Repeat Aggravated Driver Assault/24 Months 6 1 Repeat Aggravated Driver Assault/18 Months 7 1 Repeat Aggravated Driver Assault/12 Months 7 <1 Repeat Simple Driver Assault/60 Months 1 1 Repeat Simple Driver Assault/60 Months 3 1 Repeat Simple Driver Assault/48 Months 4 1 Repeat Simple Driver Assault/36 Months 5 1 Repeat Simple Driver Assault/24 Months 6 1 Repeat Simple Driver Assault/18 Months 7 1 Repeat Simple Driver Assault/12 Months 7 <1 Repeat Minor Driver Incident/60 Months 1 1 Repeat Minor Driver Incident/60 Months 3 1 Repeat Minor Driver Incident/48 Months 4 1 Repeat Minor Driver Incident/36 Months 5 1 Repeat Minor Driver Incident/24 Months 6 1 Repeat Minor Driver Incident/18 Months 7 1 Repeat Minor Driver Incident/12 Months 7 <1 Repeat Generalized Driver Threat/60 Months 1 1 Repeat Generalized Driver Threat/60 Months 3 1 Repeat Generalized Driver Threat/48 Months 4 1 Repeat Generalized Driver Threat/36 Months 5 1 Repeat Generalized Driver Threat/24 Months 6 1 Repeat Generalized Driver Threat/18 Months 7 1 Repeat Generalized Driver Threat/12 Months 7 Route Factor Incident History Factor Risk Factor Rank <1 Simple to Aggravated Driver Assault/60 Months 1 1 Simple to Aggravated Driver Assault/60 Months 3 1 Simple to Aggravated Driver Assault/48 Months 4 1 Simple to Aggravated Driver Assault/36 Months 5 1 Simple to Aggravated Driver Assault/24 Months 6 Table 4. (Continued)
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22 Tools and Strategies for Eliminating Assaults Against Transit Operators: Research Overview 1 Repeat Simple Assault Threat of Driver/18 Months 7 1 Repeat Simple Assault Threat of Driver/12 Months 7 <1 Repeat Minor Incident Threat of Driver/60 Months 1 1 Repeat Minor Incident Threat of Driver/60 Months 3 1 Repeat Minor Incident Threat of Driver/48 Months 4 1 Repeat Minor Incident Threat of Driver/36 Months 5 1 Repeat Minor Incident Threat of Driver/24 Months 6 1 Repeat Minor Incident Threat of Driver/18 Months 7 1 Repeat Minor Incident Threat of Driver/12 Months 7 Number of Bars/Crime Prone Spots Risk Factor Rank Bars, Nightclubs, and Entertainment: 1/block 1 Bars, Nightclubs, and Entertainment: 2/block 2 Bars, Nightclubs, and Entertainment: 3/block 3 Bars, Nightclubs, and Entertainment: 4/block 4 Bars, Nightclubs, and Entertainment: 5/block 5 Bars, Nightclubs, and Entertainment: 2 blocks with 5/block 6 Bars, Nightclubs, and Entertainment: 3 blocks with 5/block 7 Bars, Nightclubs, and Entertainment: 4 blocks with 5/block 8 High Incident Aggravated Assault Venues -- Taverns, Bars, Nightclubs, and Sports Bars/Stadiums High concentrations of liquor-licensed establishments within a oneblock area (>17/one-block radius) 7 High Incident Aggravated Assault Gang Areas 5 High Juvenile Crime Aggravated Assault Areas 1 Known Threats Risk Factor Rank 1 Known Threat of Aggravated Assault 1 2 Known Threats of Aggravated Assault 2 3 Known Threats of Aggravated Assault 3 4 Known Threats of Aggravated Assault 4 5 Known Threats of Aggravated Assault 5 Operation Factor Hours of Operation Risk Factor Rank Graveyard Shift -- 2:00 a.m.
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Risk Methodology 23 Table 5. Terminal and transfer station risk rank template.
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24 Tools and Strategies for Eliminating Assaults Against Transit Operators: Research Overview (3) open source geographical scan information covering categories such as business districts, schools, neighborhoods, and populations; (4)
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