This is what comes of driving on the wrong side of the road.
In the Middle Ages you kept to the left for the simple reason that you never knew who you'd meet on the road in those days. You wanted to make sure that a stranger passed on the right so you could go for your sword in case he proved unfriendly.
This custom was given official sanction in 1300 AD, when Pope Boniface VIII invented the modern science of traffic control by declaring that pilgrims headed to Rome should keep left.
The papal system prevailed until the late 1700s, when teamsters in the United States and France began hauling farm products in big wagons pulled by several pairs of horses. These wagons had no driver's seat. Instead the driver sat on the left rear horse, so he could keep his right arm free to lash the team. Since you were sitting on the left, naturally you wanted everybody to pass on the left so you could look down and make sure you kept clear of the other guy's wheels. Ergo, you kept to the right side of the road. The first known keep-right law in the U.S. was enacted in Pennsylvania in 1792, and in the ensuing years many states and Canadian provinces followed suit.
In France the keep-right custom was established in much the same way. An added impetus was that, this being the era of the French Revolution and all, people figured, hey, no pope gonna tell ME what to do. (See above.) Later Napoleon enforced the keep-right rule in all countries occupied by his armies. The custom endured even after the empire was destroyed.
In small-is-beautiful England, though, they didn't use monster wagons that required the driver to ride a horse. Instead the guy sat on a seat mounted on the wagon. What's more, he usually sat on the right side of the seat so the whip wouldn't hang up on the load behind him when he flogged the horses. (Then as now, most people did their flogging right-handed.) So the English continued to drive on the left, not realizing that the tide of history was running against them and they would wind up being ridiculed by folks like you with no appreciation of life's little ironies. Keeping left first entered English law in 1756, with the enactment of an ordinance governing traffic on the London Bridge, and ultimately became the rule throughout the British Empire.
I looked it up, lot of pollution apparently involved per wiki.
I can see it having been a landmark, icon of sorts.
and misspelling words. Keeps things lively . . .
I went on a school excursion to Kembla when it was operating. I still remember the sea pool next to the smelter with the black water. The tour guy didn't like us punkass kids pointing out the pollution.