Reports on patterns of risk among teenage drivers through a review and synthesis of the literature. Varying patterns of risk form the basis for graduated licensing systems designed to promote low-risk and discourage high-risk driving. (Contains 6 tables, 13 figures, and 29 references.) (AUTHOR/WFA)

Worldwide there is great variation in how licensing young people to drive is handled. The minimum age for regular licensure varies, generally from 15 to 18 years. Prerequisites and conditions for licensure vary. Some licensing policies are more effective than others in controlling injuries associated with youthful driving; crashes involving young…