What does the cryptic crossword clue "Posh cars? Amblers should avoid street (7)" mean?

The definition is "Posh". The wordplay uses a deletion. ROLLERS (deletion) = ROLLERS The answer is ROLLERS.

Posh cars? Amblers should avoid street (7)

Guardian Cryptic #29537 | 11 Across | 2024-11-11 flower