United States Department of Transportation
i
Assessing the Feasibility of Adding Additional Actors to Intersection Safety Assist Draft Test Scenarios
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2021-11-01
[PDF-857.28 KB]
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Edition:Final Report
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Abstract:This report summarizes how variants of two test scenarios and three sub-scenarios, proposed in NHTSA’s intersection safety assist (ISA) draft research test procedure, were used to assess the feasibility of increasing the number of actors (e.g., other vehicles) in each driving situation. Better understanding the technical and logistic factors associated with such additions is of interest to NHTSA, as the expanded capability may improve the agency’s ability to research the performance of vehicle technologies under new and/or more complex real-world driving situations on the test track. For the straight crossing path scenario, a principal other vehicle (POV) approached the intersection from the right side of the subject vehicle (SV), while a secondary other vehicle (SOV) simultaneously approached from the left. In this case, the SV was driven behind both vehicles after they had just cleared its forward path. In the second scenario, the SOV also approached the intersection from the left, but after driving past the SOV from behind, the SV turned left in front of the POV, which was traveling in a lane opposite and adjacent to the SV’s initial travel lane. Both scenarios were performed with near-miss timing, which allowed for the assessments described in this report to be performed with an SV not equipped with ISA. Addition of another actor to the ISA scenarios increased the complexity of the tests, but not to the extent where it always and significantly affected overall effort. All test tolerances used to assess trial validity were satisfied for five of the six test conditions described in this report.
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