United States Department of Transportation
i
Assessing the Feasibility of Adding Additional Actors to Traffic Jam Assist Test Scenarios
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2021-11-01
[PDF-1.12 MB]
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Edition:Final
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Abstract:This report summarizes how the suddenly revealed stopped vehicle (SRSV) and lead vehicle lane change with braking (LVLCB) test scenarios defined in NHTSA’s traffic jam assist (TJA) draft research test procedure were used to assess the feasibility of increasing the number of actors 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 NHTSA’s ability to research system performance involving new and/or more complex real-world driving situations on the test track. For the SRSV tests, one or two secondary other vehicles (SOVs) were positioned in the subject vehicle (SV) rear blind spots for the duration of each trial, which created a 4- or 5-actor scenario. For the LVLCB tests, one SOV was added to the test choreography (also positioned in an SV rear blind spot), which resulted in a 4-actor scenario. These tests were performed at 25 and 35 mph (40.2 and 56.3 km/h). The test protocols discussed in this report were generally found to be well-defined and performable; however, some elements of the 35-mph (56.3-km/h) tests require further refinement. This may include some adjustments to the software and configuration settings used by the robotic controllers.
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