A. Special Restrictions:
1. The speed of any vehicle upon a highway, street or alley not in excess of the limits specified in this title or established by the city council is lawful unless clearly proven to be in violation of subsection 6-1-1A of this chapter.
2. The speed of any vehicle upon a highway, street or alley in excess of any of the limits specified in this section or established by the city council is prima facie unlawful. The prima facie limits referred to in this subsection are as follows and the same shall be applicable unless changed as authorized by the city council; and, if so changed, then only when signs have been erected giving notice thereof, in which event the speed designated on the signs shall be the prima facie limits:
a. Fifteen Miles Per Hour:
(1) When passing a school building or the grounds thereof contiguous to the street or highway during school hours or while children are going to or leaving such school during opening or closing hours or while the playgrounds of any such school are in use by school children.
(2) When traversing any intersection of streets or highways if during the last one hundred feet (100') of his approach to such intersection the driver does not have a clear and unobstructed view of such intersection and of any traffic upon all the streets or highways, entering such intersection for a distance of one hundred feet (100') along all such streets or highways, except on a through street or highway or at a traffic controlled intersection.
(3) Upon a street or highway bordering upon the grounds of any state, county or city hospital when the signs giving notice of the speed limit have been erected.
b. Twenty Miles Per Hour: Upon all streets or highways which have not been designated as through streets.
c. Twenty Five Miles Per Hour: Upon all designated through streets.
d. Over Twenty Five Miles Per Hour: Upon any street or highway marked and signed by the chief of police, with the approval of the city council, when the marking and signing indicate the allowance of such speed.
B. Minimum Speed Law: No person shall drive upon a street or highway at such a slow speed as to impede or block the normal and reasonable movement of traffic except when reduced speed is necessary for safe operation.
C. When Speed Limit Not Applicable:
1. The speed limits set forth in subsection A of this section shall not apply to authorized emergency vehicles when driven in response to an emergency call or in pursuit of an actual or suspected violator of the law, and when the drivers thereof sound an audible signal by bell, siren or exhaust whistle.
2. The provisions of subsection C1 of this section shall not relieve the driver of an authorized emergency vehicle from the duty to drive with due regard for the safety of all persons using the street, nor shall it protect the driver of any such vehicle from the consequences of reckless disregard of the safety of others.
D. Speed Contests; Display Of Power; Repeated Revving Of Idling Motor Vehicle Engine: No person shall:
1. Engage in any motor vehicle speed contest or exhibition of speed on any street, aid or abet in such motor vehicle speed contest or exhibition on any street.
2. Drive or permit to be driven any vehicle by the side of another vehicle on any street for a time longer than is necessary to pass such other vehicle, except on designated one-way or multiple lane streets. (Ord. 12, 8-16-1984)
3. Cause the intentional spinning of the wheels of a motor vehicle in such a manner that the tires of the motor vehicle lose traction with the road surface.
4. Increase the revolutions per minute of the engine of an idling motor vehicle repeatedly so as to disturb others and for no other lawful purpose. (Ord. 303, 3-11-2005)