The most common and most likely answer to this crossword clue is the 9 letter word KERBSTONE
K
E
R
B
S
T
O
N
E
More clues leading to the result KERBSTONE
- Clumsy northern set broke part of pavement
- Restriction on pavement artist’s work hampers style, so to speak
- Reportedly stops quality roadside fixture
- Checks quality of sound for audience – it is hard and “edgy”
- Repair broken set that’s set by the road
- Incorrectly set broken piece of guttering
- Solid border on some flags?
- Limit of pedestrianism
Buddy explains!

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 KERBSTONE mean?
KERBSTONE noun- A paving stone that forms part of a kerb