The most common and most likely answer to this crossword clue is the 9 letter word TRANSITED
I've seen this crossword clue in The Guardian
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More clues leading to the result TRANSITED
Buddy explains!

The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does TRANSITED mean?
TRANSITED verb- To pass over, across or through something.
- To revolve an instrument about its horizontal axis so as to reverse its direction.
- To make a transit.
- To carry communications traffic to and from a customer or another network on a compensation basis as opposed to peerage in which the traffic to and from another network is carried on an equivalency basis or without charge.