The most common and most likely answer to this crossword clue is the 10 letter word CROSSROADS
I've seen this crossword clue in The Guardian
C
R
O
S
S
R
O
A
D
S
Buddy explains!
The straight part
We know that "Which gives travellers a choice" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case which gives travellers a choice = crossroads.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 CROSSROADS mean?
CROSSROADS noun- A crossroads (place where one road crosses another).
- A road that crosses another.