Assessing the economic and environmental sustainability of urban integrated railway-highway bridges

IF 7.3 1区工程技术 Q1 ENVIRONMENTAL STUDIES

Transportation Research Part D-transport and Environment Pub Date : 2025-06-07 DOI:10.1016/j.trd.2025.104847

Sentayehu Lelisa Dirirsa , Yan Gao , Paul Schonfeld , Qiushi Wan , Shuangting Xu , Eskindir Ayele Atumo , Qing He

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引用次数: 0

Abstract

Cities nowadays need alternative transportation infrastructure to address the increasing urbanization, high transportation demand, limited land resources, and environmental impacts. One such alternative is an integrated Railway-Highway Bridge (IRHB), which combines a railway and highway into a single bridge structure. However, their values lie in a comprehensive understanding of economic and environmental impacts. In view of that, this study quantifies the financial and environmental benefits of an IRHB in an urban context and compares it with different separated railway-highway (SRH) scenarios using a Multi-Criteria Decision Analysis (MCDA). Based on the findings, in urban areas where land is at a premium, an IRHB is a more cost-effective infrastructure in terms of land acquisition, house demolition, and environmental impacts than separate elevated railway and highway bridges. Furthermore, it is a strategic approach to urban development, balancing short-term financial costs with long-term environmental benefits.

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城市铁路-公路一体化桥梁的经济和环境可持续性评估

如今的城市需要替代的交通基础设施来应对日益增长的城市化、高交通需求、有限的土地资源和环境影响。其中一种替代方案是综合铁路-公路桥（IRHB），它将铁路和公路结合成一个单一的桥梁结构。然而，它们的价值在于对经济和环境影响的全面理解。鉴于此，本研究量化了城市背景下IRHB的财务和环境效益，并使用多标准决策分析（MCDA）将其与不同的铁路-公路分离（SRH）方案进行了比较。根据研究结果，在土地价格昂贵的城市地区，与单独的高架铁路和公路桥梁相比，在土地征用、房屋拆除和环境影响方面，IRHB是一种更具成本效益的基础设施。此外，它是城市发展的一种战略方法，平衡了短期财政成本和长期环境效益。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Transportation Research Part D-transport and Environment 工程技术-运输科技

CiteScore

14.40

自引率

9.20%

发文量

314

审稿时长

39 days

期刊介绍： Transportation Research Part D: Transport and Environment focuses on original research exploring the environmental impacts of transportation, policy responses to these impacts, and their implications for transportation system design, planning, and management. The journal comprehensively covers the interaction between transportation and the environment, ranging from local effects on specific geographical areas to global implications such as natural resource depletion and atmospheric pollution. We welcome research papers across all transportation modes, including maritime, air, and land transportation, assessing their environmental impacts broadly. Papers addressing both mobile aspects and transportation infrastructure are considered. The journal prioritizes empirical findings and policy responses of regulatory, planning, technical, or fiscal nature. Articles are policy-driven, accessible, and applicable to readers from diverse disciplines, emphasizing relevance and practicality. We encourage interdisciplinary submissions and welcome contributions from economically developing and advanced countries alike, reflecting our international orientation.