stewieatb t1_iy5xnfj wrote
Reply to comment by i_was_an_airplane in TIL that when it's really cold, Chicago sets its railroad tracks on fire to ensure that trains will be able to run properly and get to their destinations on time by leebruce2
Not rightly sure as I never stuck my head that deep in signalling land (signal designers are tossers). I would imagine that the 650V AC signalling power system can't provide a sustained power enough to run the heaters.
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