If no special hazard exists, the following speeds are lawful within the City, but any speed in excess of that indicated below for the particular district, location or condition shall be prima facie evidence that the speed is not reasonable or prudent and that it is unlawful:
A. Twenty Miles Per Hour:
1. Upon meeting or overtaking any school bus which is displaying alternating flashing amber warning light signals meeting the requirements of State law, provided such school bus bears upon the front and rear thereof a plainly visible sign containing the words "School Bus" in letters no less than eight inches (8") high which can be removed or covered when the vehicle is not is use as a school bus;
2. In a reduced speed school zone as defined in Utah Code Annotated section 41-6-20.1.
B. Twenty Five Miles Per Hour: On all streets and at all places within the City the prima facie speed limit shall be twenty five (25) miles per hour, except as otherwise provided in subsection A of this Section, or as otherwise determined under subsections C and D of this Section.
C. Mayor; Authority To Approve Different Limits: When determined on the basis of an engineering and traffic investigation that the prima facie speed permitted under this Section is not reasonable and safe under the conditions found to exist upon the street or highway or part of a street or highway, the Mayor, or the Mayor's designee, may approve a different reasonable and safe prima facie limit by issuance of an administrative order. Determinations under this subsection shall conform to the requirements of Utah Code Annotated section 41-6-48, or any successor provision. The prima facie speed approved by the Mayor, or the Mayor's designee, is effective when appropriate signs giving notice are erected upon the street or highway. Prima facie speed limits previously determined and set by the City Council on the basis of an engineering and traffic investigation are presumptively valid and shall continue in effect until such time as they may be altered under this subsection.
D. Public Parks: When determined on the basis of an engineering and traffic investigation that the prima facie speed permitted under the above subsections is inadequate to provide for the safety of the public, the Mayor, or the Mayor's designee, may establish speed limits for vehicles in public parks which may be different than the prima facie speeds required under Utah Code Annotated section 41-6-48, or any successor provision, as provided under Utah Code Annotated section 41-6-17e.
E. Excess Speed Unlawful: Any speed in excess of the limits provided above is prima facie evidence that the speed is not reasonable or prudent and that it is unlawful.
(1979 Code § 10.32.020; Ord. 94-60, 11-15-1994)