Unless otherwise directed by the city manager or by requirement of law, the traffic engineer, within his discretion, shall have the power and the duty:
(1) To place and maintain or to cause the placement and maintenance of official traffic-control devices and official traffic-control signals to regulate, guide and warn street traffic and pedestrians;
(2) To determine the spacing and timing of official traffic-control devices and official traffic-control signals;
(3) To remove, relocate or discontinue official traffic-control devices or official traffic-control signals;
(4) To keep an official map showing locations of and indicating the nature of official traffic-control devices and official traffic-control signals in the city;
(5) To keep resolutions and ordinances pertaining to street traffic, pedestrians, parking meters, and the like, on file;
(6) Repealed;
(7) To conduct engineering and traffic investigations of traffic conditions;
(8) To cooperate with other city officials in developing ways and means to improve traffic conditions;
(9) To conduct engineering analyses of traffic accidents and to devise remedial measures;
(10) To perform such other duties as may be required by law or prescribed by the city manager; and
(11) To determine appropriate parking time zones on city streets and within city-owned or operated off-street parking facilities; and
(12) To place and maintain official signs and/or markings restricting the places, times, and days of parking on city streets and within city-owned or operated off-street parking facilities. (Ord. No. 938, § 1; Ord. No. 1111, § 1.)