A linear program for optimal integration of shared autonomous vehicles with public transit

Levin, Michael W.; O’Dell, Michael W.; Samarasena, Shaluka; Schwartz, Adam

doi:10.1016/j.trc.2019.10.007

Cited by 53 publications

(16 citation statements)

References 38 publications

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“…Vehicle routing problems have been also modeled as a continuous (i.e, macroscopic) DTA problems, in which vehicles and travelers are described by continuous variables such as traffic volume [18], [19]. The advantage of this approach is that it is much more computationally efficient than MILPbased models while maintaining accurate representation of traffic dynamics such as congestion.…”

Section: A Operational Aspects Of Sav Systemsmentioning

confidence: 99%

“…Although above two issues are clear limitations of the proposed model, similar features are often assumed to model SAVs, automated vehicle operations, or ridesharing services in the literature [6], [18], [19], [43], [44]. Therefore, the proposed model could be still useful for designing SAV systems in the strategic planning phases; as discussed in Section I, this role is essential for urban transportation planning for example.…”

Section: F Limitationsmentioning

confidence: 99%

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Multi-Objective Linear Optimization Problem for Strategic Planning of Shared Autonomous Vehicle Operation and Infrastructure Design

Seo

Asakura

2022

IEEE Trans. Intell. Transport. Syst.

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This study proposes a unified optimization framework for strategic planning of shared autonomous vehicle (SAV) systems that explicitly and endogenously considers their operational aspects based on macroscopic dynamic traffic assignment. Specifically, the proposed model optimizes fleet size, road network design, and parking space allocation of an SAV system with optimized SAVs' dynamic routing with passenger pickup/delivery and ridesharing. It is formulated as a multi-objective optimization problem that simultaneously minimizes total travel time of travelers, total distance traveled by SAVs, total number of SAVs, and infrastructure construction cost; thus, both the user-side cost and the system-side cost are taken into account, and their trade-off relations can be explicitly investigated. Furthermore, the problem is formulated as a linear programming problem, making it easy to solve. By leveraging the linearity, we mathematically derive a useful property of the problem: introduction of ridesharing can weakly monotonically and simultaneously decrease the user-side cost and system-side cost. The proposed model is evaluated by applying it to actual travel records obtained from New York City taxi data.

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Section: A Operational Aspects Of Sav Systemsmentioning

confidence: 99%

Section: F Limitationsmentioning

confidence: 99%

Multi-Objective Linear Optimization Problem for Strategic Planning of Shared Autonomous Vehicle Operation and Infrastructure Design

Seo

Asakura

2022

IEEE Trans. Intell. Transport. Syst.

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“…1 The identification process of selecting papers supply side concentrated on service package creation [36] and pricing schemes [37]. The platform side focused on matching both users and vehicles, route planning [38][39][40][41][42][43][44][45][46][47][48][49], and the impact of MPO on users [50][51][52]. The modeling part focused on modeling the demand-supply interactions [48,[53][54][55][56][57][58][59][60][61][62][63][64][65][66][67].…”

Section: Inclusionmentioning

confidence: 99%

“…The modeling objectives of the MPO are described in Table 2. The dispatching processes considered user's travel time and driver's detour time and waiting time to provide a journey with minimizing total travel time for both user and driver [38,40,41,44,60,61,63,69], and maximizing the matched users [43,46,47,67]. Furthermore, several studies proposed dispatching models to minimize the operational costs of shared mobility services [45,56,62].…”

Section: Maas Platform Operatormentioning

confidence: 99%

A Literature Review on Interactions Between Stakeholders Through Accessibility Indicators Under Mobility as a Service Context

2021

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This study aims to explore accessibility indicators influencing the interactions between users, transport service providers (TSPs), and a platform operator, generating a conceptual framework for modeling these interactions under Mobility as a Service context. A systematic literature review was conducted to identify all studies focusing on indicators and modeling the interactions. There are limitations in integrating psychological indicators and dynamic pricing into the existing models. Moreover, there are gaps in considering monthly service packages, the efficiency of transport systems, and the perspectives of the TSPs for modeling the demand–supply interactions. The study ends with conclusions, discussions, and directions for further studies.

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“…An SAV typology is proposed and concluded that the deployment of AVs may be as shared autonomous mobility services. The integration of SAVs with public transport is widely studied [9][10][11]. A deep case study was presented considering the transportation organization structure of Singapore, where the public transport authority was assumed as the highest organizational unit incorporating with SAV services [9].…”

Section: Maas Smartphone Applicationmentioning

confidence: 99%

Concept of Mobile Application for Mobility as a Service Based on Autonomous Vehicles

Csiszár

2020

Sustainability

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Mobility as a service (MaaS) is proposed to encourage travelers to choose sustainable mobility options and reduce use of individual car. In the future, mobility services based on autonomous vehicles (AVs) are also incorporated into MaaS. The objective of our work is to elaborate the concept of mobile application, aiding the MaaS based on AVs. We applied a system engineering process-oriented approach to determine the information system components, the functions as well as input and output data. Functions of back-end information system operation and front-end interface of application have been identified, as well as the information flows have been modeled. We highlighted the main differences between MaaS and MaaS based on AVs. We found that recording of event-based points and feedback management are regarded as pivot functions in this self-travel service. Our results facilitate the development of smartphone application for the MaaS based on AVs.

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A linear program for optimal integration of shared autonomous vehicles with public transit

Cited by 53 publications

References 38 publications

Multi-Objective Linear Optimization Problem for Strategic Planning of Shared Autonomous Vehicle Operation and Infrastructure Design

Multi-Objective Linear Optimization Problem for Strategic Planning of Shared Autonomous Vehicle Operation and Infrastructure Design

A Literature Review on Interactions Between Stakeholders Through Accessibility Indicators Under Mobility as a Service Context

Concept of Mobile Application for Mobility as a Service Based on Autonomous Vehicles

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