That was sometimes a consideration in rail standards. Other times, it was politics or nationalism or simply because that's what they built. In the case of the Austro-Hungarian empire, the Hungarians liked to assert that they were separate and rail gauge was one of the ways they did it, which was a bit of a problem for Austrian logistics in WW1.
That was sometimes a consideration in rail standards. Other times, it was politics or nationalism or simply because that's what they built. In the case of the Austro-Hungarian empire, the Hungarians liked to assert that they were separate and rail gauge was one of the ways they did it, which was a bit of a problem for Austrian logistics in WW1.