The prima facie speed limits on the following portions of Olsen Road are hereby declared to be as follows:
(a) From the east City limits to Route 23 Freeway, fifty-five (55) miles per hour.
(b) From Route 23 Freeway to Wildwood Avenue, fifty (50) miles per hour.
(§ II, Ord. 544-NS, eff. October 2, 1975, as amended by § II, Ord. 714-NS, eff. June 23, 1979, § I, Ord. 1119-NS, eff. September 10, 1991, and § I, Ord. 1281-NS, eff. April 30, 1997)