Sustainable Urban Transport Systems

A special issue of Systems (ISSN 2079-8954).

Deadline for manuscript submissions: 31 December 2025 | Viewed by 655

Special Issue Editors


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Guest Editor
School of Civil Engineering, Faculty of Engineering, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
Interests: sustainable urban mobility; transport planning; urban planning; decision-aiding; decision support systems

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Guest Editor
Department of Planning and Regional Development, School of Engineering, University of Thessaly, 38334 Volos, Greece
Interests: transport innovation; transport and land use; spatial accessibility and transport policy analysis

Special Issue Information

Dear Colleagues,

In an era of environmental and socio-economic crisis, the development of sustainable urban transport systems is as imperative as ever. The transport sector is a major contributor to greenhouse gas emissions and air pollutants, with road transport being responsible for the greatest proportion (over 70%) of these emissions. Furthermore, mobility challenges related to greenhouse gas emissions, local air pollution, road safety, congestion, and accessibility are even more intense in urban areas, where the majority of the global population lives.

In alignment with Target 11.2 of the United Nations Sustainable Development Goals Agenda, as well as the European Union Urban Mobility Framework, sustainable urban transport systems must be a priority. Safe, affordable, emission-free, resilient, inclusive, accessible and smart transport systems need to be developed in urban areas, with autonomous and electric vehicles, public transport, walking, cycling and other “green” transport modes emerging as promising solutions within the framework of sustainability. However, each solution is characterized by both opportunities and challenges, which need to be identified, studied and efficiently managed, in the context of integrated transport and urban planning.

This Special Issue seeks papers that can contribute to scientific research related to sustainable urban mobility, providing policy-makers with valuable knowledge and support tools towards developing sustainable urban transport systems in practice.

Dr. Konstantina Anastasiadou
Dr. Nikolaos Gavanas
Guest Editors

Manuscript Submission Information

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Keywords

  • sustainable urban mobility
  • transport planning
  • urban planning
  • sustainability
  • urban transport systems
  • micromobility
  • sustainable transport

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Published Papers (1 paper)

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Research

18 pages, 3001 KB  
Article
Patterns and Synergistic Effects of Carbon Emissions Reduction from Shared Bicycles in the Central Urban District of Nanjing
by Ge Shi, Jiahang Liu, Jiaming Na, Chuang Chen, Hongyang Ma, Ziying Feng and Lin Sun
Systems 2025, 13(9), 828; https://doi.org/10.3390/systems13090828 - 21 Sep 2025
Viewed by 359
Abstract
With accelerated urbanization and the pursuit of the “dual carbon” goals, shared bicycles have re-emerged as a green travel option. This study focuses on the central urban area of Nanjing and develops a carbon emissions reduction (CER) estimation model for shared bicycles. By [...] Read more.
With accelerated urbanization and the pursuit of the “dual carbon” goals, shared bicycles have re-emerged as a green travel option. This study focuses on the central urban area of Nanjing and develops a carbon emissions reduction (CER) estimation model for shared bicycles. By analyzing spatio-temporal dimensions, it systematically assesses carbon reduction benefits and highlights the synergy with metro-connected travel. Key findings are as follows: (1) shared bicycles primarily support short-distance commuting, with a daily cycling pattern exhibiting a bi-modal distribution and a pronounced peak period demand; (2) cycling trips concentrate in densely populated and commercially vibrant zones, with a spatial pattern of central aggregation and multi-point diffusion; (3) each kilometer cycled by a shared bicycle reduces carbon emissions by about 96.19 g, with daily reductions of around 42.72 t and annual reductions up to 15,591.04 t; (4) the CER benefits of bicycle–metro integration are especially pronounced, contributing nearly 45.00% during peak periods; and (5) factors such as travel mode shifts, metro station layouts, and the development of electric vehicles continue to influence the CER benefits of shared bicycles. This work provides scientific evidence to inform urban green travel policies and transportation infrastructure optimization in cities. Full article
(This article belongs to the Special Issue Sustainable Urban Transport Systems)
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