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Pages 6-8

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From page 6...
... 6 chapter two SPATIAL INCOMPATIBILITY The scale and structure of the air and HSR systems and how they relate to the two systems' environmental assessment is of critical importance. The structure of the aviation system is fundamentally one of a system of nodes, or airports, connected with aircraft operated by independent operators.
From page 7...
... 7 region that rail travel affects generally is a more straightforward process than is doing so for aviation travel. When considering intercity passenger flows, they are either: • PTP, such that air and HSR are competitors, or • From an origin city to a transfer city, or hub city (pointto-hub or PTH)
From page 8...
... 8 generally are on relatively inefficient aircraft [see Ryerson and Hansen (2010) and Ryerson (2010)

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