Dangers
Despite this continued interest in hitchhiking, it is widely accepted that the practice has declined in developed countries since the 1970s, perhaps because of a number of high-profile cases in which hitchhikers have been killed, and negative media images of some hitchhikers as ghosts or vanishing hitchhikers and hitchhikers themselves a source of threat. Graeme Chesters and David Smith discuss reasons for hitchhiking's decline, and possible means of reviving it in safer and more organised forms, in one of the few academic discussions of hitchhiking, "The Neglected Art of Hitch-hiking: Risk, Trust and Sustainability"
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