Answer: doublepark

AnswerCrossword Clue
DOUBLEPARK

What you might need to do with a spotless car?

DOUBLEPARK

Where the Twins play?

DOUBLEPARK

Leave one's car unlawfully

DOUBLEPARK
"BAREFOOT IN THE PARK PARK"
DOUBLEPARK
Block traffic, in a way
DOUBLEPARKLeave one's vehicle in a traffic lane, say