FYI, yours truly has driven a standard-transmission vehicle in gauche (but nevertheless slick) fashion, both in Scotland and in Australia. I've also driven right-handed in Cairo, which was much more dangerous and fun!*
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* Driving on medians, driving on the wrong side of the road, driving on sidewalks -- whatever extricates you from the omnipresent jam. When I was there, the traffic cops (rarely seen) had no vehicle -- hence, no prospect of pursuit. :>)