I remember reading about how when some country switched the side of the road they drove on, accidents went down for a year or so after that because people were just generally more careful or aware. So if you never know when you wake up what side of the road you are driving on you will always be super careful and on your toes instead of complacent or barely paying attention. Also you will never be sure if other people got the memo that day so people would probably just drive slower and pay more attention.
submitted by /u/No-Bid2913
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