Comments by "Grave Peril" (@graveperil2169) on "World's first all-digital railway to launch in UK" video.

  1. Its main feature is that it goes from south London suburbs to North London suburbs without stopping in the central London to change lines up till now all the northern lines go to stations north London and all the south London lines go to stations in south London
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  2.  @dan27032  it crosses the river that's north south
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