The most common and most likely answer to this crossword clue is the 10 letter word HIGHJACKED
I've seen this crossword clue in The Daily Telegraph
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Buddy explains!

The straight part
We know that "taken along the way, unusually" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case taken along the way, unusually = highjacked.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 HIGHJACKED mean?
HIGHJACKED verb- To forcibly stop and seize control of some vehicle in order to rob it or to reach a destination (especially an airplane, truck or a boat).
- To seize control of some process or resource to achieve a purpose other than its originally intended one.
- To seize control of a networked computer by means of infecting it with a worm or other malware, thereby turning it into a zombie.
- To change software settings without a user's knowledge so as to force that user to visit a certain web site (to hijack a browser).
- To introduce an amendment deleting the contents of a bill and inserting entirely new provisions.