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Impact of commuting, time budgets, and activity durations on modal disparity in accessibility to supermarkets

机译：通勤，时间预算和活动持续时间对超市可及性差异的影响

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Urban spatial structure, transport mode and space-time constraints are known to affect accessibility to activities for a city's residents. However, most studies measure accessibility from home only and report accessibility in terms of the travel time or number of activities. Such studies neglect the mobility and time budget constraints on people's accessibility. Furthermore, modal accessibility disparity studies have not considered inequality between modes during the afternoon commute. We examine accessibility to non-work activities by automobile and public transport using spatiotemporal measures that determine the number of minutes people have available to participate in activities, given time budget and activity duration constraints, rather than simply the number of activities. We examine modal accessibility disparity in Warsaw, Poland. Our two major findings are the reverse of findings in previous studies: that disparity shifts toward public transport as the activity duration increases and the travel time decreases; and that it shifts toward public transport with increasing distance away from the city center.
机译：众所周知，城市空间结构，交通方式和时空限制会影响城市居民开展活动的可及性。但是，大多数研究仅测量在家中的可访问性，并根据旅行时间或活动数量来报告可访问性。这些研究忽略了人员流动性和时间预算限制。此外，模态可及性差异研究没有考虑下午通勤期间模态之间的不平等。我们使用时空测量方法来研究汽车和公共交通工具对非工作活动的可及性，这些测量方法确定了在给定的时间预算和活动持续时间限制的情况下，人们可以参加活动的分钟数，而不仅仅是活动的数量。我们研究了波兰华沙的模态可及性差异。我们的两个主要发现与以前的研究相反：随着活动持续时间的增加和出行时间的减少，差距向公共交通转移。而且，随着距市中心越来越远，它逐渐转向公共交通。

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