The Director of Transportation and Planning, or his or her designee, is hereby authorized to determine by resolution those portions of any highway or street in the city where overtaking and passing or driving on the left side of the roadway would be especially hazardous, and may, by appropriate signs or markings on the roadway, indicate the beginning and end of the zones and, when the signs or markings are in place and clearly visible to any ordinarily observant person, every driver of a vehicle shall obey the directions thereof.
(1998 Code, § 118-31) Penalty, see § 71.99