can you make a big tunnle in to the ground than go up diagonly to get to places quicker

Question: can you make a big tunnle in to the ground than go up diagonly to get to places quicker
- Keywords:
  transport,
  tunnel,
  underground
Asked by haron338 to Roma on 16 Jun 2014.
- Roma Agrawal answered on 16 Jun 2014:
  
  You can indeed, most of the tube line tunnels in London are moving up and down depending on where they need to go and what the ground is made of!

haron338 commented on 16 Jun 2014:

wow I thought no one had done that

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Question: can you make a big tunnle in to the ground than go up diagonly to get to places quicker