Alcohol availability, measured in terms of geographic density of alcoh
ol-sales outlets, is linked to specific patterns of alcohol-related mo
tor Vehicle crashes in communities. To curb alcohol-related problems s
uch as violence, traffic crashes, and drinking and driving, community
advocates often focus on reducing alcohol availability through modific
ations of zoning laws and licensing requirements, In developing interv
entions and policy activities to reduce alcohol availability, communit
y policymakers should assess the effects of outlet density using an ad
equate community ''biogeography'' of the interrelationships among drin
kers, their drinking environments, the locations of alcohol outlets, a
nd the locations of alcohol problems, Communities also should consider
that the economic development of downtown areas, which is often accom
panied by the rapid growth of alcohol outlets, is likely to affect the
incidence and prevalence of alcohol-related problems in surrounding a
reas.