Evaluation of Iowa's Graduated Driver's Licensing Program

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Project status

Completed

Start date:
End date: 09/01/07

Researcher(s)

Principal investigators:

Other authors: Debbie Witt and David Veneziano

Student researchers:

About the research

This project evaluated the effectiveness of the Iowa Graduated Driver's Licensing (GDL) program in reducing crashes for teenage drivers during a four-year period before and after implementation of GDL. The report presents a review of the literature on teenage drivers, crash rates, and graduated driver's licensing programs around the country, followed by an analysis of teenage drivers and crash risk before and after implementation of GDL in Iowa.

Report: http://www.intrans.iastate.edu/reports/Iowa_GDL.pdf (454 kb pdf) September 2007

Sponsor(s)/partner(s)

Sponsor(s): Iowa Department of Transportation

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