301.16 GROSS WEIGHT.
   "Gross weight" means the weight of a vehicle plus the weight of any load thereon. 
(ORC 4511.01(V))
   301.161  HIGHWAY MAINTENANCE VEHICLE.
   “Highway maintenance vehicle” means a vehicle used in snow and ice removal or road surface maintenance, including a snow plow, traffic line striper, road sweeper, mowing machine, asphalt distributing vehicle, or other such vehicle designed for use in specific highway maintenance activities.  (ORC 4511.01(QQQ))