Critical analysis for risk factors of alternative high speed rail alignments - A literature review
HSR initiatives are significantly riskier than traditional railway projects because they require significant financial investments and complex site conditions. A new High-Speed Rail (HSR) network’s planning process includes choosing appropriate optimized alignment. The evaluation of alternative alig...
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Format: | Tagungsbericht |
Sprache: | eng |
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Zusammenfassung: | HSR initiatives are significantly riskier than traditional railway projects because they require significant financial investments and complex site conditions. A new High-Speed Rail (HSR) network’s planning process includes choosing appropriate optimized alignment. The evaluation of alternative alignments for a proposed HSR, needed considering effects on a number of technical, environmental, social, political and economic issues. In the planning stage, there are initially options for taking into account considerably various alignments among the alternatives, each of which has a unique influence on the planning, design, and construction phases. There is a need for creative methods and instruments to prevent cost overruns and delays caused by changes in HSR alignment since the significant expenditures necessary to establish new HSR networks are often funded by public money.
At the planning stage of the HSR projects, choices can be made to lessen the risks associated with the chosen alignment. HSR is frequently subjected to a variety of unpredictable circumstances, yet planning to consider worst-case scenario would be economically unviable. Although it may result in HSR setups that effectively disregard low probability but potentially devastating scenarios, evaluating the importance of hypothetical risks’ repercussions in line with the likelihood that they might materialize.
Considering these issues, the report based on extensive review, a conceptual framework to identify the various risk involved in planning of HSR network and risk assessment model for the consideration of the effects of uncertainties in HSR alignment selection and planning. The proposed framework aims to improves the performance for uncertainties, when comparing various risk involved in HSR alignment selections. The result of proposed framework guides the planning of HSR and to evaluate potential HSR corridors/routes in India as well as other countries or regions. |
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ISSN: | 0094-243X 1551-7616 |
DOI: | 10.1063/5.0240246 |