Evaluation of Iowa’s Graduated Driver’s Licensing Program

Project Details
STATUS

Completed

START DATE

09/01/07

END DATE

09/01/07

RESEARCH CENTERS InTrans, CTRE
SPONSORS

Iowa Department of Transportation

Researchers
Principal Investigator
Shauna Hallmark

Director, InTrans

Student Researcher(s)
David Veneziano
Deborah Witt

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.

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