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Handedness of rail traffic: left hand and right hand operation world wide.
(upload.wikimedia.org)
Not visible in the map, but interesting to note, is that in France the trains normally drive on the left, except in Alsace where they drive on the right as a legacy of the time the province belonged to Germany.
All of our trains in Lebanon have been ripped out in the 60s and 70s so we can siphon our money more efficiently to the patron class by buying cars and gas through their companies. Granted cars make sense for the topography but trains should have stayed in operation, especially for freight.
Not sure how recent some of these data points are, unless it just describes the law for some of these if less data is available