No person shall drive any vehicle on any street, avenue, highway, or alley within the limits of the City of Panhandle, Texas, except as specifically authorized by ordinance, at a speed greater than thirty (30) mph; and any and all persons shall regulate the speed of their vehicles at a lesser speed than thirty mph where any street, avenue, highway, or alley has been marked with a lower speed limit; except the speed limit on Washington Street is hereby reduced from 30 mph to 15 mph, effectively immediately.
(1993 Code of Ordinances, Chapter 17, Article 4, Sec. 17-31)