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Pages 3-4

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From page 3...
... 3CHAPTER 1 INTRODUCTION BACKGROUND Trucks constitute a large and growing segment of the traffic on American highways. On many rural Interstate highways, trucks now constitute more than one-third of the total traffic stream.
From page 4...
... research addresses geometric design issues, but not structural or pavement issues. The scope of the research has included all truck-related geometric design issues currently addressed in the Green Book.

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