Crossword Genius

Bar means of transport (4)

Ross

I believe the answer is:

rail

I believe this clue is a double definition.

'bar' is the first definition.
(I know that rail is a type of bar)

'means of transport' is the second definition.
(I've seen this in another clue)

(Other definitions for rail that I've seen before include "Track - complain - bird" , "method of transport" , "Track for wheels" , "Bar for hanging; bird as corncrake" , "Barrier around lair" .)

I've seen this clue in The Times.
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