The most common and most likely answer to this crossword clue is the 8 letter word CLEARWAY
I've seen this crossword clue in The Guardian
C
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More clues leading to the result CLEARWAY
Buddy explains!
The straight part
We know that "drivers can’t stop here" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case drivers can’t stop here = clearway.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 CLEARWAY mean?
CLEARWAY noun- A road or other path that is kept free of obstructions, or on which stopping is strictly regulated, in order to maintain free flow of movement.
- An area projecting from the end of a runway that is kept clear of obstructions exceeding a height that increases with distance from the end of the runway.