Joe Public is pedestrian (3,2,3,6)

I believe the answer is:

man in the street

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'joe public' is the definition.
'man in the street' can be an answer for 'public' (thesaurus). I am unsure of the 'joe' bit.

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for man in the street that I've seen before include "Rough sleeper perhaps" , "Tom, Dick, or Harry" , "Anybody" , "who's just been evicted?" , "No one particularly" .)

I've seen this clue in The Daily Express.

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