The most common and most likely answer to this crossword clue is the 9 letter word SIGNPOSTS
I've seen this crossword clue in The Daily Telegraph
S
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More clues leading to the result SIGNPOSTS
Buddy explains!
The straight part
We know that "They may help one along the way" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case they may help one along the way = signposts.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 SIGNPOSTS mean?
SIGNPOSTS noun- A post bearing a sign that gives information on directions
- (cryptic crosswords) A word or phrase within a clue that serves as an indicator, rather than being fodder.