Motorists' willingness to drive through flooded roads: Evidence from a stated preference experiment

Motorists' willingness to drive through flooded roads: Evidence from a stated preference experiment
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驾车者开车穿过被洪水淹没的道路的意愿:来自陈述偏好实验的证据

DOI:
10.1111/jfr3.12753
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发表时间:
2021
影响因子:
4.1
通讯作者:
Messer, Kent D.
Messer, Kent D.
中科院分区:
环境科学与生态学3区
文献类型:
--
作者:
Ahsanuzzaman;Messer, Kent D.

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我们进行了一个陈述偏好选择实验,以揭示驾驶员对不同类型的道路被淹标志的驾驶相关行为反应,以及与避免被淹道路相关的旅行成本。我们使用三种洪水指示可视化处理和对照组来识别特定道路标志的影响,并识别驾驶员行为与其人口统计特征以及采取替代路线的成本(时间)之间的关联。使用来自美国大西洋中部沿海地区的714名成年参与者的响应,我们使用随机效用框架估计了驾驶额外分钟以避免被洪水淹没的道路的意愿。我们的研究结果表明,当显示洪水指示路标时,个人更有可能避免被洪水淹没的道路,这些路标没有指示水的确切深度,并且指示水相对较深(超过12英寸)。我们进一步发现,个体倾向于坚持他们最初的选择。当高风险信息在决策过程开始时出现时,他们往往会做出风险选择。这项研究的结果可以帮助交通管理人员的标志设计选择,以帮助确保驾驶员在洪水条件下的安全。
We conduct a stated‐preference choice experiment to reveal motorists' driving‐related behavioral responses to different types of signs indicating that the road is flooded and travel costs associated with avoidance of the flooded road. We use three flood‐indicating visualization treatments and control group to identify the effects of particular road signs and identify associations between drivers' behavior and their demographic characteristics and the cost (time) of taking an alternate route. Using responses from 714 adult participants from the coastal area of the Mid‐Atlantic of the United States, we estimate willingness to drive additional minutes to avoid flooded roads using a random utility framework. Our results suggest that individuals are more likely to avoid flooded roads when shown flood‐indicating road signs that do not indicate the exact depth of the water and signs that indicate that the water is relatively deep (more than 12 in.). We further find that individuals tend to persist in their initial choices. They often make risky choices when high risk‐indicating information is presented at the beginning of the decision‐making process. The results of this study can help inform the sign design choices of transportation managers to help ensure driver safety in flood conditions.
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