Crossword Genius

Ways one may be so far ahead? (7)

Ross

I believe the answer is:

streets

I'm a little stuck... Click here to teach me more about this clue!

'ways' is the definition.
(I know this)

'one may be so far ahead?' is the wordplay.
I cannot quite see how this works, but
'may' could be 'tree' (I've seen this before) and 'tree' is located in the answer.
The remaining letters 'sts' is a valid word which might be clued in a way I don't understand.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for streets that I've seen before include "significantly ahead?" , "Ways" , "City thoroughfares" , "Built-up roads" , "Town thoroughfares" .)

I've seen this clue in The Guardian.
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