The most common and most likely answer to this crossword clue is the 8 letter word FAIRWAYS
I've seen this crossword clue in The Guardian
F
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More clues leading to the result FAIRWAYS
Buddy explains!
The straight part
We know that "Good routes for long-distance drivers" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case good routes for long-distance drivers = fairways.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 FAIRWAYS mean?
FAIRWAYS noun- The area between the tee and the green, where the grass is cut short.
- Any tract of land free from obstacles.
- (Military) A channel either from offshore, in a river, or in a harbor that has enough depth to accommodate the draft of large vessels. (JP 4-01.6)
- A navigable channel in a harbour, offshore etc; the usual course taken by vessels in such places.