Hey, it's only 2019 after all! :) Most railways in my home Poland were electrified like 40 years ago...
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Here's a good, comprehensive article I found on challenges of rail electrification in UK and it comes out I'm not the only one "standing in a haze of diesel" and wondering why it didn't work https://www.railengineer.co.uk/2018/12/11/the-past-present-and-future-a-look-at-electrification-of-the-uks-railways/
