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Technical Paper

Analysis of Roadway and Tire Evidence Resulting from Aggressive Braking Maneuvers with ABS-Equipped Motorcycles

2023-04-11
2023-01-0635
With ABS-equipped motorcycles becoming more pervasive, it is critical for collision reconstructionists to have a firm understanding of what evidence may be generated during aggressive braking events performed with these braking systems. To develop a better understanding, thirty-one instrumented braking tests were performed and are reported in this study. Three different surfaces using three current ABS-equipped motorcycles were used to study the residual visible roadway and tire evidence resulting from hard braking events involving front-only, rear-only, and maximum effort braking maneuvers. Data from these tests were analyzed to determine the resultant deceleration, which serves to add updated data to the current body of knowledge. The majority of braking tests did not generate visible roadway evidence. Specifically, conventional public roadway surfaces exhibited no evidence of braking until the motorcycles reached very low speeds.
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