§ 71.068 MINIMUM LIMITS.
   No person shall drive a motor vehicle at such a slow speed as to impede or block the normal and reasonable movement of traffic, except when reduced speed is necessary for safe operation or in compliance with law.
(`87 Code, § 17-275)
Statutory reference:
   Similar provisions, see Tex. Rev. Civ. Stat., Art. 6701d, § 170;
   Speed of vehicles in cities and authority of cities to alter prima facie speed limits established by state law, see Tex. Transportation Code, §§ 545.363 and 545.351 et seq.