§ 71.119  OBEDIENCE TO MAXIMUM AND MINIMUM SPEED LIMITS.
   Where official signs and markings give notice of both maximum and minimum speed limits in effect on any street, no vehicle shall be driven at rates in excess of the maximum nor slower than the minimum except as required by an authorized officer or in obedience to posted official signs.
(`83 Code, § 15-405)  Penalty, see § 71.999