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Planning and Optimization of Sustainable Transportation in Smart Cities: 2nd Edition

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Transportation".

Deadline for manuscript submissions: 30 June 2026 | Viewed by 171

Special Issue Editors


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Guest Editor
School of Engineering, Department of Civil Engineering, University of Patras, 26504 Patras, Greece
Interests: transportation planning; network design; public transport; artificial intelligence
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
School of Rural, Surveying and Geoinformatics Engineering, National Technical University of Athens, 157 80 Athens, Greece
Interests: transportation planning; public transportation; infrastructure management; operations research; transportation economics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In this era of climate change, rapid urbanization, and emerging social inequality, modern cities face serious challenges that could impact their sustainability and efficiency. Increased reliance on automobiles has led to intense traffic congestion and inadequate public transport services, as well as health and environmental consequences such as oil scarcity, air quality deterioration, and greenhouse gas emissions. Such negative impacts resulting from congestion and the unattractiveness of road environments may now be considered significant shortcomings for cities. Under this scope, sustainable transport is considered one of the main pillars of smart city development and should aim to mitigate the adverse effects of congestion, thus promoting more sustainable and people-centric urban centers.

In this respect, this Special Issue welcomes high-quality research papers on the planning and optimization of sustainable urban transportation. Key areas include electric mobility, public transport systems, active transportation, ridesharing, and autonomous mobility, as well as intelligent control methods aimed at reducing congestion and emissions.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

  • Public transport planning;
  • Flexible, demand-responsive transit systems;
  • Micro-mobility systems;
  • Autonomous, shared mobility and mobility as a service system;
  • Connected vehicle applications;
  • Intelligent transportation system applications.

We look forward to receiving your contributions.

Dr. Christina Iliopoulou
Dr. Konstantinos Kepaptsoglou
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sustainability is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • transport systems
  • transportation networks
  • optimization
  • routing
  • electromobility
  • sustainable transportation
  • intelligent transportation systems

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Published Papers (1 paper)

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Research

32 pages, 4987 KB  
Article
A System Dynamics-Based Simulation Study on Urban Traffic Congestion Mitigation and Emission Reduction Policies
by Xiaomei Li, Guo Wang, Yangyang Zhu and Weiwei Liu
Sustainability 2025, 17(20), 9296; https://doi.org/10.3390/su17209296 (registering DOI) - 20 Oct 2025
Abstract
Urban traffic congestion and carbon emissions pose significant challenges to the sustainable development of megacities. Traditional single-policy interventions often fail to simultaneously mitigate congestion and reduce emissions effectively. This study employs a system dynamics approach to construct a multidimensional dynamic model that analyzes [...] Read more.
Urban traffic congestion and carbon emissions pose significant challenges to the sustainable development of megacities. Traditional single-policy interventions often fail to simultaneously mitigate congestion and reduce emissions effectively. This study employs a system dynamics approach to construct a multidimensional dynamic model that analyzes the feedback mechanisms and dynamic interactions of policy variables within the urban traffic system. Furthermore, a TOPSIS multi-criteria decision-making framework is integrated to quantitatively evaluate the overall effectiveness of multiple policy combinations, exploring optimization pathways for achieving synergistic governance. Using Shanghai’s traffic system as a case study, simulation analyses under six policy scenarios reveal significant discrepancies in short- and long-term policy performance. Results demonstrate that traffic congestion, carbon emissions, and environmental pollution are tightly coupled, forming a non-coordinated feedback loop that challenges single-policy solutions. For example, the “two-license-plate restriction” policy reduces traffic congestion by 2.72%, carbon emissions by 10.37%, and pollution by 2.47% compared to the baseline scenario, achieving the highest TOPSIS score of 0.68. The “new energy vehicle promotion” policy significantly contributes to long-term emission reduction; however, its overall effectiveness score is relatively low at 0.5. These findings underscore the need for a systematic approach to urban traffic governance, providing actionable insights for balancing short-term effectiveness and long-term sustainability through dynamic policy integration. Full article
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