1 Change is never easy, but 50 years ago Sweden implemented an unimaginably complex change: They switched from driving on the left side of the road to the right side. Think about that for a minute, and what that would entail. The Swedes had to replace millions of road signs, rewrite traffic laws, repaint the roads, swap out traffic signals and rework all the roundabouts. Oh, and they had to rework all public vehicles, such as police cars and ambulances. The most terrifying part? They had to implement ALL of these changes simultaneously (at 4:59 am on September 3, 1967). Phasing in a change like this would have resulted in chaos. How did it go? Fantastic! Sweden actually saw a drop in accidents, presumably because everyone was so careful. The key was the months of very caref

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