Rate of fatal accidents involving 16-year-old drivers was 26 % lower in states with restrictions . Strong graduated driver licensing ( GDL ) programs associated with a 12 % increase in fatal crash rate . Every state requires would-be teen drivers to first get a learner 's permit , during which they can drive only with a parent or other adult , but beyond that the strength of the programs varies . Comment:
Rate of fatal accidents involving 16-year-old drivers was 26 % lower in states with restrictions . Strong graduated driver licensing ( GDL ) programs associated with a 12 % increase in fatal crash rate . Comment: