Framework for Assessing Potential Safety Impacts of Automated Driving Systems (2022) / Chapter Skim
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Pages 6-14
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From page 6... ...
6 Roadway stakeholders must understand the potential safety impacts of an automated driving system (ADS) before widespread deployment.
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ADS Impacts on Safety 7 the entire network, so network screening is used to pare down the network to a manageable list. There are two types of screening.
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8 Framework for Assessing Potential Safety Impacts of Automated Driving Systems countermeasure selection (Haddon, 1972)
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ADS Impacts on Safety 9 4: Economic Appraisal Economic appraisal is the process of comparing the relative costs and benefits of the various alternatives. It is often not feasible or practical to implement all of the identified countermeasures.
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10 Framework for Assessing Potential Safety Impacts of Automated Driving Systems management process)
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ADS Impacts on Safety 11 assessment of specific programs such as intersection safety, roadway departure, and pedes trian safety. If the agency is targeting roadway departure crashes, then it might be appropriate to compare the number and cost of related safety improvement projects each year to the number and trend in roadway departure crashes, injuries, and fatalities.
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12 Framework for Assessing Potential Safety Impacts of Automated Driving Systems crash types. As such, we need to consider the crash types and contributing factors that could be addressed by each ADS technology, individually and in combination, within the facility types where the technology is most likely to operate and under different deployment scenarios.
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ADS Impacts on Safety 13 reduce the severity of those crashes as well. For example, automatic emergency braking, auto pilot, forward collision warning, and lanekeeping assist are associated with some of the more severe crash types (e.g., rightangle, headon, runoffroad, pedestrian, and bicycle)
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14 Framework for Assessing Potential Safety Impacts of Automated Driving Systems Figure 5. SAE International automation levels with operational design domain (Source: SAE International)
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