The prima facie speed limit on the following portion of Willow Lane is hereby declared to be as follows:
(a) From Conejo School Road to Hampshire Road, forty (40) miles per hour.
(§ I, Ord. 659-NS, eff. December 1, 1977, as amended by § I, Ord. 1097-NS, eff. April 11, 1991, and § I, Ord. 1281-NS, eff. April 30, 1997)