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Pages 17-19

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From page 17...
... 1 1 Introduction 1.1 Project Background Three major changes in national-level speed limit policy have occurred since 1974:1 • On January 1, 1974 President Nixon signed into law a National Maximum Speed Limit (NMSL)
From page 18...
... 2 significant implications for safety on other roadways? Are there impacts on the environment or the economy due to the traffic changes that result when speed limits are changed?
From page 19...
... 3 1.3 Organization of the Report Chapter 2 summarizes the documents that were included in the project's literature review. The main conclusions of prior studies of speed limit safety impacts and of methodological issues are briefly presented and commented on, both because of their intrinsic interest and also as motivation for the analysis approach and methodology choices that were adopted for this project.

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