How to channel Redstone current vertically?

Question

I'm making a door with piston sliding sideways that reacts to pressure plates.
As the pressure plates are sending the current to redstone at a very low level, I need to raise it somehow, and this leads to awkward stairs of redstone.

So I'm wondering whether there are better ways of sending the redstone current up, maybe even vertically.

Answer

Going straight up is one of the easier directions to manage via redstone.

Just alternate torches and solid blocks, and you can send the signal up as far as you need.

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