review · Sustainability
Decarbonising transportation systems requires overcoming multiple interrelated obstacles while adopting emerging mobility practices. A systematic literature review highlights the critical practices capable of curbing greenhouse gas emissions and enhancing the overall sustainability of transit networks. The main obstacles to achieving these goals fall into five distinct dimensions: regulatory, technological, financial, organisational, and social. Alongside these barriers, novel research directions and practical approaches demonstrate how sustainable mobility can be actively implemented across regions. Crucial policy measures also play a determining role in driving adoption across diverse sectors. By synthesising current evidence, this evaluation provides structured insights that assist in guiding the long-term planning, management, and construction of cleaner, resilient transit environments.
Transportation is a primary driver of global greenhouse gas emissions, making system-wide decarbonisation vital for environmental sustainability. Identifying the complex barriers across finance, technology, regulation, and social behaviour allows decision-makers to design targeted interventions. A comprehensive overview of existing solutions helps cities and regions establish cleaner, more accessible transit systems that reduce pollution and enhance public health.
Because this research is an analytical literature review, it does not provide an immediate commercial product. Instead, it offers early-stage strategic guidance for transport operators, city planners, and infrastructure managers. These stakeholders can use the categorised barriers and emerging approaches to design business models, de-risk future sustainable transport investments, and align deployment strategies with existing regulatory and financial frameworks.
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In this paper, the challenges inherent in the development of a decarbonized transportation system are thoroughly examined. Sustainable transportation practices that can contribute to the limitation of greenhouse gas emissions and overall sustainability are identified. Furthermore, the most effective and innovative research avenues being pursued by the research community to enhance transportation sustainability are reviewed and discussed. The review framework has been designed to facilitate the identification of key areas of interest through the implementation of a systematic literature review approach. Firstly, an in-depth analysis is provided concerning the main barriers encountered in the realization of sustainable transportation. These barriers are categorized into five dimensions, namely regulatory, technological, financial, organizational, and social. Subsequently, attention is directed towards the emerging approaches that actively support the implementation of sustainable transportation. Lastly, the primary policy measures intended to promote sustainable mobility are the subject of discussion. The findings unveiled in this paper possess the potential to provide managers and policy makers with a comprehensive understanding of transportation sustainability issues. Furthermore, they carry practical implications that can contribute to the construction of sustainable transportation systems.
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DOI: 10.3390/su152115457
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