African mammal drivers run over crossing road (8)

I believe the answer is:

aardwolf

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'african mammal' is the definition.
(I've seen this before)

'drivers run over crossing road' is the wordplay.
'drivers' becomes 'aa' (I've seen this in other clues).
'run over' becomes 'wolf' (I can't justify this - if you can you should give a lot more credence to this answer).
'crossing' indicates putting letters inside.
'road' becomes 'rd' (abbreviation).
'aa'+'wolf'='aawolf'
'aawolf' placed around 'rd' is 'AARDWOLF'.

Can you help me to learn more?

(Other definitions for aardwolf that I've seen before include "Seeing wild animal" , "Hyena-like mammal" , "Nocturnal African mammal" .)

I've seen this clue in The Independent.

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