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- W657181871 abstract "The decision to enter an intersection is characterized by three problem aspects: perceptual-computational factors, entering driver's knowledge about the operating characteristics of the oncoming vehicle, and personality factors (e.g. the risk-taking propensity of the entering driver). Subjects in a driving simulator made intersection entry decisions under different perceptual variables: vehicle size/type (semi-truck, van, automobile, and motorcycle), lighting status (on, off), approach/turn direction (left, left; left, right; and right, left), and oncoming vehicle approach speed (41 mph, 55 mph). Entering driver knowledge (experienced vs. inexperienced motorcyclists) and risk-taking behavior (high-risk and low-risk instructions) were varied. Accepted gap magnitudes (GAP), reaction time (RT), estimated oncoming vehicle speed, accelerator pedal excursion, and excursion rate were recorded on each trial. GAP was larger (RT shorter) for large vehicles. Oncoming vehicles with lights on produced larger GAP's (shorter RT's), although motorcycles with lights on enjoyed a much smaller advantage than multiple headlight vehicles. GAP increased (RT decreased) with oncoming vehicle speed. GAP's were larger (RT's shorter) when the entering driver turned into the as a vehicle approaching from the left as compared with an approach from the right. The smallest GAP (longest RT) was observed when the entering driver crossed in front of a left approaching vehicle and turned left. This situation may represent a different task than the same lane conditions. Subject experience and driving strategy also influence GAP and RT. Experienced motorcyclists serving as the entering automobile driver produced larger GAPs (shorter RTs) than inexperienced drivers. Drivers performing under high risk driving instructions produced smaller GAPs (longer RTs) than low risk drivers. Results were interpreted in terms of a conceptual framework involving three problem aspects of the intersection entry decision processes. Implications for future research, including the modeling of the entry decision processes and the development of safety training programs, are discussed." @default.
- W657181871 created "2016-06-24" @default.
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- W657181871 date "1980-01-01" @default.
- W657181871 modified "2023-09-27" @default.
- W657181871 title "DECISION MAKING IN INTERSECTION ENTRY ACCIDENTS" @default.
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