Yes, there are many 'break of gauge' points. They're mainly for historical inertia and economic reasons, but the military impediment is a known side effect. htt

Yes, there are many 'break of gauge' points. They're mainly for historical inertia and economic reasons, but the military impediment is a known side effect. https://en.wikipedia.org/wiki/5_ft_and_1520_mm_gauge_railways https://en.wikipedia.org/wiki/5_ft_and_1520_mm_gauge_railway...