[Kon-Peki]

So is Chicago an outlier? Plenty of other places get cold in winter, and have trains. How does the rest of the world keep the switches from freezing?

Probably worth noting that a few days ago, when this video was likely recorded, the daily temperature range in Chicago was -4F to 7F (-20C to -13C).

[PopAlongKid]

I think it's common. Here is a reference to a news article from 100 years ago, for a different location.

https://www.newburyportnews.com/news/history-happenings-jan-...