Integrating dial-a-ride with transportation network companies for cost efficiency: A Maryland case study

Integrating dial-a-ride with transportation network companies for cost efficiency: A Maryland case study
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将电话预约与交通网络公司整合以提高成本效率:马里兰州案例研究

DOI:
10.1016/j.tre.2023.103140
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发表时间:
2023
期刊:
Transportation Research Part E: Logistics and Transportation Review
影响因子:
--
通讯作者:
Marković, Nikola
Marković, Nikola
中科院分区:
--
文献类型:
--
作者:
Rahman, Md Hishamur;Chen, Shijie;Sun, Yanshuo;Siddiqui, Muhammad Imran;Mohebbi, Matthew;Marković, Nikola

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电话叫车 (DAR) 是一项共享乘车服务,为无法使用公共交通的交通困难人士提供出行服务。虽然大多数 DAR 研究侧重于优化运营,但我们的研究探讨了将异常行程外包给交通网络公司 (TNC) 的可行性和好处,以最大限度地降低综合服务交付成本。为了实现这一目标,我们制定了多车辆 DAR 问题 (DARP),并将行程外包给跨国公司,该问题可以针对小规模实例进行最佳解决。为了解决更大的实例,我们提出了一个两阶段解决方案框架,以改进商用软件的 DAR 路线。首先,我们开发了一个整数规划模型,通过旅行外包重新优化各个路线。其次,我们设计了一种多车辆启发式方法,考虑将最初指定外包的行程重新插入 DAR 车队,以及在路线之间重新插入和交换剩余行程。我们将该方法应用于马里兰州的一家中型 DAR 运营商,根据 DAR 公司协商的 TNC 批量折扣,实现了 7%-13% 的成本降低。
Dial-a-ride (DAR) is a shared-ride service that provides mobility to transportation-disadvantaged individuals who are unable to use public transit. While most DAR studies focus on optimizing operations, our research explores the feasibility and benefits of outsourcing outlier trips to transportation network companies (TNCs) to minimize the combined service delivery cost. To achieve this goal, we formulate a multi-vehicle DAR problem (DARP) with trip outsourcing to TNCs, which can be solved optimally for small scale instances. To solve larger instances, we propose a two-stage solution framework to improve DAR routes from commercially available software. Firstly, we develop an integer programming model to re-optimize individual routes with trip outsourcing. Secondly, we design a multi-vehicle heuristic that considers reinserting trips initially designated for outsourcing back into the DAR fleet, as well as reinsertion and exchange of remaining trips among routes. We apply the approach to a medium-sized DAR operator in Maryland and achieve cost reductions of 7%-13% depending on the TNC volume discount negotiated by the DAR company.
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