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Pages 76-78

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From page 76...
... 76 10.1 Data Needs 10.1.1 Infrastructure There is a substantial need for more detailed information on the nature and condition of infrastructure in the United States. The Highway Safety Manual (AASHTO 2010)
From page 77...
... Data Needs and Future Research 77 term by economic factors and over the long term by social and demographic changes -- are critical to fully understanding traffic safety and ways to improve it. Driver licensing rates by age and state were a plausible surrogate for driving exposure for different age groups.
From page 78...
... 78 Identification of Factors Contributing to the Decline of Traffic Fatalities in the United States from 2008 to 2012 that current models are adequate or that other factors are influencing the result and should be added. Was the recent increase in traffic fatalities related to a recovery in teen and young adult employment?

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