Evaluation of HSGT Systems Under Uncertainty

by C. Jotin Khisty, Illinois Inst of Technology, Chicago, United States,

Document Type: Proceeding Paper

Part of: High Speed Ground Transportation Systems I: Planning and Engineering


The basic themes of this paper are two-fold. First we investigate what planning style is likely to be most suited for planning an HSGT system, dependent on three interdependent key variables: means, ends, and the degree of uncertainty attached to the means and ends. This investigation results in a matrix of nine cells, each representing a unique, or a combination of, planning styles. Second, based on this matrix, we match the tools that are available to evaluate HSGT alternatives, ranging from cost-benefit analysis to complex multi-criteria methods. Their contributions, limitations, and feasibility of adoption are critically examined.

Subject Headings: Uncertainty principles | Rapid transit systems | Benefit cost ratios | Matrix (mathematics) | System analysis | Transportation studies | Economic factors | Rail transportation

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