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Joan Stephenson, PhD

JAMA. 1999;281:1784.

	Since this article does not have an abstract, we have provided the first 107 words of the full text and any section headings.

America's highways are becoming a little more health-friendly\Mbut not because of more rigorous speed limits or seat-belt laws. Last month, the Centers for Disease Control and Prevention, the US Food and Drug Administration, and the National Cancer Institute launched a nationwide effort to replace more than 4000 billboards touting tobacco products with new ones that discourage tobacco use and promote good health.

(Photo credit: Asher & Partners, Los Angeles)

The transformation is a result of the 1998 tobacco settlement signed by 46 states, in which the four major US tobacco companies agreed to remove all advertising from outdoor and transit billboards across the country.