(a) No person shall drive a vehicle that is towing a manufactured home or mobile home at a speed greater than fifty-five miles per hour (55 m.p.h.).
(b) On roads upon which the posted speed limit is less than fifty-five miles per hour (55 m.p.h.), the posted speed limit shall be observed.
(c) The Arkansas Department of Transportation may set minimum and maximum speed limits different from those posted or may set a speed limit less than the maximum provided in subsections (a) and (b) of this section for a vehicle towing a manufactured home or mobile home by noting any speed restriction on the oversize load permit issued by the department to that vehicle.