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Pages 48-49

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From page 48...
... 49 All-or-nothing assignment -- assignment approach in which all travel demand for each origin–destination pair is assigned to the shortest time path based on uncongested travel times. Barrier toll road -- has one or more toll plazas that form a barrier across the roadway to prevent free passage.
From page 49...
... underlying risk factors. In addition to testing "market risk" [such as toll revenues less than projected]

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