Road now ready to be ambushed (7)

I believe the answer is:

waylaid

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'be ambushed' is the definition.
(I've seen this in another clue)

'road now ready' is the wordplay.
'road' becomes 'way' (I've seen this in other clues).
'now ready' becomes 'laid' (I am not sure about this - if you are sure you should believe this answer much more).
'way'+'laid'='WAYLAID'

'to' acts as a link.

Can you help me to learn more?

(Other definitions for waylaid that I've seen before include "Ambushed" , "Aggressively intercepted" .)

I've seen this clue in The Globe and Mail.

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