Crash risks are highest right after licensure and decline rapidly for about 6 months and then gradually for years, regardless of the amount of supervised practice driving or age at licensure. Graduate Driver Licensing (GDL) and parental management are the only approaches to this problem with demonstrated effectiveness. The Checkpoints Program consists of persuasive messages and materials designed to increase adoption of the Checkpoints Parent-Teen Driving Agreement and increase parent limit setting on higher-risk driving privileges among novice teenage drivers. The current study builds on the results of several previous trials of the Checkpoints Program that have shown significant treatment group effects on parent limit setting, teen risky driving, and violations. The purpose of this study is to determine the efficacy of conducting an online adaptation of the Checkpoints Program through the American Automobile Association (AAA) clubs. The study will be conducted with parents whose teenage children are enrolled in AAA-affiliated driving schools. 800 families will be recruited through AAA Clubs, assigned to intervention or comparison groups, provided online access to Checkpoints or comparison materials, and assessed at baseline and after teen licensure.