When it gets this hot, the rails expand and become dangerous, so trains have to run much slower than usual.
As it is summer, the schools are on summer break for the moment, but when it gets this hot during term-time, they will close schools. Can you imagine that? Instead of snow days, you get heat days? It's funny, I never really expected Australia to struggle to cope with heat. I thought they'd be so used to it. But on the coasts, it only rarely gets this hot, and their cities are built with the same materials as any other city in the world, so I don't know why I assumed that! Did I think they would have developed better technologies for train tracks than the rest of the world? Probably. I mean, they developed polymer money! Why not special, heat-immune rails?