When authorized signs are erected indicating any street or part thereof as a play street, no person shall drive a vehicle upon the street or portion thereof except drivers of vehicles having business or whose residences are within the closed area, and then any driver shall exercise the greatest care in driving upon the street or portion thereof.
(1979 Code, § 70.60) (Ord. 1477, passed 8-2-1950) Penalty, see § 70.999