Crossword Genius

Illusions of motorway madness beginning to surface (7)

Ross

I believe the answer is:

mirages

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

'motorway madness beginning to surface' is the wordplay.
'motorway' becomes 'MI' (resembles M1, English motorway).
'madness' becomes 'rage' (synonyms).
'beginning to' suggests taking the first letters.
The initial letter of 'surface' is 's'.
'mi'+'rage'+'s'='MIRAGES'

'of' acts as a link.

(Another definition for mirages that I've seen is " Optical illusions in hot places".)

I've seen this clue in The Telegraph.
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