§ 71.36  EXCEPTIONS.
   (A)   State highway system streets.  It shall be unlawful to operate a vehicle in excess of the speeds or upon the streets or portions of streets of the state highway system listed in Ch. 75, Sch. I.
('84  Code,  § 16-24)
   (B)   Streets not part of the state highway system.  It shall be unlawful to operate a vehicle in excess of the speeds or upon the streets or portions of streets, not a part of the state highway system, listed in Ch. 75, Sch. I.  ('84 Code, § 16-25)