Boatman abandons rail service: outside, small change, with no parking for transport (8)

I believe the answer is:

entrance

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'for transport' is the definition.
(I've seen this before)

I can't explain the rest of the clue.

(Other definitions for entrance that I've seen before include "appearance" , "Charm, delight" , "lobby?" , "drawbridge?" , "Maybe drive" .)

I've seen this clue in The Guardian.

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