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From page 29...
... 29 chapter eight CONCLUSIONS There is significant experience and research on the competition and complementarity of air and high-speed rail (HSR) modes.
From page 30...
... 30 corridor (Janic 2003)
From page 31...
... 31 tation infrastructure investments, to developing a framework to justify HSR projects, to computing the environmental benefits of mode substitution for air and HSR. Through the synthesis of the literature, major gaps in knowledge were found: • Methodological frameworks and tools that assess future operating characteristics of long-distance transportation service have not been fully developed.

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