Comments by "Ian Homer Pura" (@ianhomerpura8937) on "Are Elevated or Underground Metro Systems Better?" video.

  1. ​ @xr6lad  cost. It's much cheaper.
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  2.  @byunbaekhyun2283  because cheaper construction costs mean they can buy more trains, helping increase frequencies. Not every line should be underground with overbuilt stations but having shitty frequencies.
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