• May 24th, 2023

Drivers 15 to 20 years old—many of whom were novice drivers—represented 8.5 percent of drivers involved in fatal crashes but only 5.1 percent of all licensed drivers in 2020. Graduated driver licensing (GDL) laws are the most effective behavioral countermeasure for young drivers. However, although an increasing proportion of young people are delaying licensure until 18 or older, few States currently apply the full GDL program to 18- to 20-year-old novice drivers, and little is known about the safety and driving habits of this group. In this project the research team developed a hypothetical naturalistic driving study to investigate research questions about the safety and driving exposure of younger (15.5 to 16.5 years old) and older (18 to 20 years old) novice drivers in the first year of unsupervised (independent) driving.


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