Crossword Genius

Flags down vehicle for this designer? (8,6)

Ross

I believe the answer is:

pavement artist

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'flags down vehicle for this designer?' is the definition.
The definition suggests a singular noun which matches the answer.

This is all the clue.

Can you help me to learn more?

(Another definition for pavement artist that I've seen is " Painter".)

I've seen this clue in The Telegraph.
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