No. They don't exist as paths. They are part of the normal high way. They are not separate from it. Stop adding them. This scourge is invading more and more in London and it adds *nothing* but clutter.

And before you talk about "Crossing points". That means nothing in the UK. You can cross anywhere where you want. (but mapping lowered kerbs is obviously still useful).

There are sidewalk=both, sidewalk:left etc tags for this.

(I only just saw this)