321.454  Width of vehicles.
  The total outside width of a vehicle or the load on the vehicle shall not exceed eight feet six inches. This limitation on the total outside width of a vehicle or the load on the vehicle does not include safety equipment on a vehicle or incidental appurtenances or retracted awnings on motor homes, travel trailers, or fifth-wheel travel trailers if the incidental appurtenance or retracted awning is less than six inches in width. However, if hay, straw, or stover is moved on an implement of husbandry and the total width of load of the implement of husbandry exceeds eight feet six inches, the implement of husbandry is not subject to the permit requirements of chapter 321E. If hay, straw, or stover is moved on any other vehicle subject to registration, the moves are subject to the permit requirements for transporting loads exceeding eight feet six inches in width as required under chapter 321E.
[C24, §5067, 5104; C27, §5067, 5105-a32; C31, 35, §5067, 5105-a32, 5105-c18; C39, §5035.03; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §321.454]
83 Acts, ch 9, §5, 8; 87 Acts, ch 186, §5; 87 Acts, ch 189, §2; 94 Acts, ch 1087, §4, 5; 95 Acts, ch 67, §26; 2000 Acts, ch 1016, §15
For applicable scheduled fines, see §805.8A, subsection 12, paragraph c