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Tell Me Why: left hand and right hand drive

Ever wondered why you drive on the left side of the road in Pakistan — while half the world drives on the right?


This episode of “Tell Me Why” traces that everyday habit back to an unexpected origin — medieval knights, the rise of Napoleon, and the far-reaching shadow of the British Empire.


From sword hands to steering wheels, this journey explores how ancient defense tactics evolved into modern traffic laws — and how empires carved the world’s driving lanes long before the first car was ever built.