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Assessing motorist behavior during flash floods in Tucson, Arizona
Transportation ( IF 4.3 ) Pub Date : 2021-01-04 , DOI: 10.1007/s11116-020-10156-2
Ashley R. Coles , Kyle E. Walker

Weather events often force motorists to drive in unsafe conditions or alter travel plans. Both decisions are imbued with costs that drivers may minimize by developing adaptation behaviors that facilitate safe travel. This study examines motorist behavior in Tucson, where urban flash floods are potentially avoided by strategies such as changing the route or trip timing. A sample of 108 residents completed a stated adaptation questionnaire regarding which behaviors they take to avoid floods prior to departure and upon encountering a flood. A multiple regression analysis tests whether behaviors depend on demographic characteristics, familiarity with flood locations, and previous experience entering floodwaters. This study also considers the types of information that people seek upon encountering a flood. The results highlight the importance of flexibility and familiarity for motorists’ decision making. Fewer adaptation behaviors are used for urgent commute trips, but route switching is common for the most frequent trips to work, school, and home. Pre-trip behaviors account for most differences because most respondents use adaptation behaviors upon flood encounter, but age, ethnicity, and previous experience with floods are key factors. Differences in flood avoidance behaviors appear to be linked to travel flexibility, not just propensity to take risks. These results also highlight the significant potential for communicating alternate routes to help motorists reduce flood exposure and other point-location hazards while minimizing travel disruption.

中文翻译:

评估亚利桑那州图森市山洪暴发期间的驾车者行为

天气事件常常迫使驾车者在不安全的条件下驾驶或改变旅行计划。这两个决定都充满了司机可以通过发展促进安全旅行的适应行为来最小化的成本。这项研究调查了图森的驾车者行为,在那里可以通过改变路线或行程时间等策略来避免城市山洪暴发。由 108 名居民组成的样本完成了一份既定的适应问卷,内容涉及他们在出发前和遇到洪水时采取哪些行为来避免洪水。多元回归分析测试行为是否取决于人口特征、对洪水位置的熟悉程度以及之前进入洪水的经验。本研究还考虑了人们在遇到洪水时寻求的信息类型。结果突出了灵活性和熟悉性对于驾驶者决策的重要性。较少的适应行为用于紧急通勤旅行,但路线转换在最频繁的上班、上学和回家的旅行中很常见。由于大多数受访者在遭遇洪水时会使用适应行为,因此出行前行为占大部分差异,但年龄、种族和以前的洪水经历是关键因素。避洪行为的差异似乎与旅行的灵活性有关,而不仅仅是冒险的倾向。这些结果还强调了沟通替代路线的巨大潜力,以帮助驾车者减少洪水和其他地点的危险,同时最大限度地减少旅行中断。较少的适应行为用于紧急通勤旅行,但路线转换在最频繁的上班、上学和回家的旅行中很常见。由于大多数受访者在遭遇洪水时会使用适应行为,因此出行前行为占大部分差异,但年龄、种族和以前的洪水经历是关键因素。避洪行为的差异似乎与旅行的灵活性有关,而不仅仅是冒险的倾向。这些结果还强调了沟通替代路线的巨大潜力,以帮助驾车者减少洪水和其他地点的危险,同时最大限度地减少旅行中断。较少的适应行为用于紧急通勤旅行,但路线转换在最频繁的上班、上学和回家的旅行中很常见。由于大多数受访者在遭遇洪水时会使用适应行为,因此出行前行为占大部分差异,但年龄、种族和以前的洪水经历是关键因素。避洪行为的差异似乎与旅行的灵活性有关,而不仅仅是冒险的倾向。这些结果还强调了沟通替代路线的巨大潜力,以帮助驾车者减少洪水和其他地点的危险,同时最大限度地减少旅行中断。由于大多数受访者在遭遇洪水时会使用适应行为,因此出行前行为占大部分差异,但年龄、种族和以前的洪水经历是关键因素。避洪行为的差异似乎与旅行的灵活性有关,而不仅仅是冒险的倾向。这些结果还强调了沟通替代路线的巨大潜力,以帮助驾车者减少洪水和其他地点的危险,同时最大限度地减少旅行中断。由于大多数受访者在遭遇洪水时会使用适应行为,因此出行前行为占大部分差异,但年龄、种族和以前的洪水经历是关键因素。避洪行为的差异似乎与旅行的灵活性有关,而不仅仅是冒险的倾向。这些结果还强调了沟通替代路线的巨大潜力,以帮助驾车者减少洪水和其他地点的危险,同时最大限度地减少旅行中断。
更新日期:2021-01-04
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