The director of public works with the concurrence of the police chief is authorized to erect signs prohibiting parking or limiting the hours for parking upon the improved or unimproved portion of any public street, highway, alley, right-of-way, or publicly owned parking lot. When official signs prohibiting or limiting parking are erected upon such streets or parking lots as authorized in this section, no person shall park a vehicle upon any such street or parking lot in violation of the signs. (Ord. 1551 §1, 2019; Ord. 1440 §4 (part), 2014).