The traffic engineer is authorized to issue special permits for the purpose of closing any city street or traffic lane to vehicle traffic subject to the terms and conditions of such permit. No permit granted under the authority of this section shall be valid for more than seven consecutive days. No permit shall be required for city employees acting in the normal course of business.

The traffic engineer shall have authority to place appropriate signs or devices in the roadway indicating that the street or part thereof is closed. Whenever such signs or devices are in place, no person shall drive a vehicle upon any such street or portion thereof except operators of vehicles having business or whose residences are within such closed area, and then the operator shall exercise the greatest care in driving upon any such street or portion thereof.

It is unlawful for any permittee or other person to violate any of the special terms or conditions of such permit. (Ord. 2922 § 18, 1980; Ord. 2533 § 19, 1978; 1961 code § 11.28.080.)