Exploring the Relationships between the Non-Work Trip Frequency and Accessibility Based on Mobile Phone Data
Exploring the Relationships between the Non-Work Trip Frequency and Accessibility Based on Mobile Phone Data
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基于手机数据探讨非工作出行频率与可达性的关系
DOI：
10.1177/0361198118774170
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发表时间：
2018-06
影响因子：
1.7
通讯作者：
Ban X
中科院分区：
文献类型：
--
作者：
Li W;Li Y;Ban X
Non-work trips have increased remarkably over recent years, even exceeding the amount of daily work-related trips. It is therefore important to understand the relationship between the non-work trip frequency and accessibility of the travelers. However, the conclusions of previous studies were inconsistent. The causes of this inconsistency have been speculated to be the limitations of sample size, aggregated accessibility, and home-based trips. To explore the actual relationships between the non-work trip frequency and accessibility, this study employs a more reliable method based on mobile phone data. First, positioning data of mobile phone users was used to identify activity points, home and workplace locations, and non-work trips of the users. Furthermore, the socioeconomic attributes and preferences of users were extracted from mobile phone user feature data. Second, accessibility was measured at the individual level based on a real-time travel-cost estimation method. Subsequently, the negative binomial regression model was employed to study the effects of accessibility, socioeconomic attributes, and preferences of users on their travel frequencies. A case study of the central business district of Lujiazui in Shanghai was conducted to prove the feasibility of the proposed method. The results show that the non-work trip frequency increases with accessibility. Moreover, users with higher consumption levels are more sensitive to accessibility when they decide the frequency of the non-work trips. However, the influence of accessibility on non-work trip frequency tends to weaken with the decrease of accessibility. These findings contribute to a more reliable transportation policy design and planning.
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DOI：
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