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Accessibility analysis of the integrated transit system of Bogota

机译：波哥大综合交通系统的可达性分析

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The new integrated transit system of Bogota (ITSB) is a local initiative to improve general transportation conditions in the city. However, as an integral intervention to improve current transit services, it affects travel times and user costs, entailing changes in accessibility. We developed a methodology to calculate these changes for different areas in the city, considering travel expenditure for work trips and socioeconomic features of the population. The article evaluates accessibility implications for different fare schemes for the ITSB, modeling accessibility as a function of total travel expenditure and travel times. We focus on analyzing changes in cost and trip distribution for ITSB routes and their impacts on access to employment. Changes in travel attributes are obtained from a four-step transport model of Bogota developed with VISUM modeling software. Meaningful changes in travel time and expenditure were found for all scenarios altering accessibility considerably. Under a flat fare scenario independent of travel distances, the number of transfers had a higher effect on accessibility in comparison to schemes where transfers are penalized through an incremental fare.
机译：波哥大新的综合运输系统（ITSB）是当地的一项举措，旨在改善该市的一般运输条件。但是，作为改善当前过境服务的一项整体干预措施，它会影响出行时间和用户成本，从而导致可及性发生变化。我们开发了一种方法来计算城市不同地区的这些变化，同时考虑了工作旅行的旅行支出和人口的社会经济特征。本文评估了针对ITSB不同票价方案的可访问性含义，将可访问性建模为总旅行支出和旅行时间的函数。我们专注于分析ITSB路线的成本和行程分布的变化及其对就业机会的影响。从使用VISUM建模软件开发的波哥大四步运输模型可以获取旅行属性的变化。发现在所有情况下，出行时间和支出都发生了有意义的变化，极大地改变了可及性。在不考虑出行距离的统一票价情况下，与通过增加票价来惩罚交通的方案相比，交通次数对可及性的影响更大。

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