Crossword Genius

Train voice (7)

Ross

I believe the answer is:

express

I believe this clue is a double definition.

'train' is the first definition.
(express is a kind of train)

'voice' is the second definition.
(I've seen this before)

(Other definitions for express that I've seen before include "Utter - direct" , "Train; utter" , "Explicit" , "Utter - non-stop" , "This train doesn't stop" .)

I've seen this clue in The Guardian and The Telegraph.
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