There are no expansion joints on continuous welded rail either. The track is instead clamped so strongly that it can maintain its alignment even under thermal

There are no expansion joints on continuous welded rail either. The track is instead clamped so strongly that it can maintain its alignment even under thermal stress. https://en.m.wikipedia.org/wiki/Track_(rail_transport)#Continuous_welded_rail https://en.m.wikipedia.org/wiki/Track_(rail_transport)#Conti...