An innovative transit system and its impact on low income users: the case of the Metrocable in Medellín
An innovative transit system and its impact on low income users: the case of the Metrocable in Medellín
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创新的交通系统及其对低收入用户的影响：麦德林地铁电缆的案例
DOI：
10.1016/j.jtrangeo.2014.06.018
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发表时间：
2014
影响因子：
6.1
通讯作者：
Bocarejo J
中科院分区：
文献类型：
--
作者：
Bocarejo J
哥伦比亚麦德林的Metrocable是一个创新系统，旨在改善通往丘陵地带贫困地区的交通。使用电缆汽车作为地铁的馈线的想法被纳入了一个雄心勃勃的城市项目，到目前为止，已经大大改善了一些低收入居民的可达性。利用项目实施前后的数据，我们评估了对影响区人口的社会公平的影响，同时考虑到就业机会和住房相关成本的变化。该项目提供了通往主要高就业中心的通道，使“目标人口”能够接触到的机会增加了一倍，尽管节省的旅行时间和费用变化不大。事实上，以前进入CBD是贫穷和昂贵的，但时间和成本减少了与地铁电缆，虽然这种减少是不平等的所有地点在大都市地区。在一般情况下，我们认为，主要的好处，在可访问性方面，从那些用于比较的分析领域的区别，涉及到一个本地化的方便访问特定的活动中心，根据城市的就业市场的集中发展沿着公共交通线路。在住房成本方面，我们开发了一套差异中的差异模型，考虑了租金，交通和公共事业成本;然而，没有一个模型能让我们得出结论，即地铁电缆和两个分析人群之间的成本变化之间存在统计有效的关系。
The Metrocable in Medellín, Colombia, is an innovative system to improve access to deprived areas located in hilly zones. The idea to use cable cars as feeders to the metro was integrated into an ambitious urban project that, to date, has improved accessibility dramatically for some low-income residents. Using data before and after the project’s implementation, we evaluate the impact on social equity for the population in the zone of influence, considering changes in accessibility to employment and in housing-related costs. The access provided by the project to the main high-employment centres has doubled the number of opportunities that can be reached by the “target population,” even though travel-time savings and costs have seen only small changes. In fact, prior access to the CBD was poor and expensive, but time and costs were reduced with the Metrocable, although this reduction was not equal for all locations in the metropolitan area. In general, we argue that the main benefits, in terms of accessibility that differentiates the areas analysed from those used for comparison, are related to a localised ease of access to specific centres of activity according to the centralised development of the city’s job market along the mass transit lines. In terms of housing costs, we developed a set of difference-in-difference models that considered rent, transport, and public utilities costs; however, none of them have allowed us to conclude that there was a statistically valid relationship between the Metrocable and the changes in costs between the two analysed populations.
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