Phasing in driving privileges cut teen crash deaths

Graduated Driver Licensing (GDL) replaced the all-at-once license with stages: a supervised learner period, then an intermediate phase with limits on late-night driving and teen passengers before full licensure. The results are well-documented — GDL cut fatal crashes among 16-17-year-olds by 8-14%, and the strongest laws are associated with about 30% lower fatal-crash rates than the weakest. The IIHS estimates that if every state adopted the toughest provisions, 500+ lives could be saved each year.

GDL works because it limits the highest-risk conditions for inexperienced drivers — night driving and peer passengers — while they build skill. It's a model of staging risk rather than banning it outright.

• Follow GDL limits even where the law is lax — night and passenger rules save lives.
• Add your own family driving agreement on phones, curfews and passengers.
• Build supervised practice across varied conditions before full independence.

• Use a written parent-teen driving contract with clear, staged privileges.
• Enable Do Not Disturb While Driving so phones aren't a temptation.
• Support strong GDL provisions in your state.

• IIHS — study of teen fatal crash rates and GDL benefits iihs.org ↗
• NICHD — graduated licensing reduces fatal teen crashes nichd.nih.gov ↗
• Stanford CEPA — graduated driver licensing and teen fatalities cepa.stanford.edu ↗

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