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学校のそばの住宅街でよく見かけるこの看板。
麻薬は不法なのだから今更わざわざ看板で示している意味は麻薬ではなく別のこと?と思いきや、やはり麻薬についてこのエリアはしっかり監視しているという警告なんだとか。学校でも麻薬の売買が横行している為、ディーラーに対しての警告だそうだが、看板をかかげているエリアで麻薬売買をして捕まろうと、エリア外だろうと罰則規定は同じで看板の持つ権力はないとか。
そんな看板を立てるより先に麻薬撲滅の為にすることがあるような気がするが。。。

Drug-free school zone is a term used in the United States to denote an area within a certain distance, most commonly 1,000 feet, of the nearest school, park, or other public area. Signs to this effect are generally posted along all public streets at the entrances to such an area.

The term is somewhat misleading, in that the sale or even possession of recreational drugs is uniformly illegal throughout the United States; what does make the signs relevant, however, is that the laws in most American states now call for increased criminal penalties for any drug sales (and, in some of these states, possession of drugs in sufficient quantity as to suggest an obvious intent to sell on the part of the person possessing said drugs) that occur within the designated zone. Other prohibited activities include gang involvement and carrying weapons. The first laws of this kind were passed in the late 1980s. (Wikipedia)