Road in Blackpool an exit (4)

I believe the answer is:

lane

'road' is the definition.
(a lane is a small road)

'in blackpool an exit' is the wordplay.
'in' says the answer is hidden in the clue.
'LANE' can be found hidden inside 'blackpool an exit'.

(Other definitions for lane that I've seen before include "Narrow street" , "Byway" , "Small road" , "Footpath" , "Narrow rural road" .)

I've seen this clue in The Sun.

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