Title VIII, TRANSPORTATION (Ch. 306 - 330B)

A bicycle shall not be equipped with and a person shall not use upon a bicycle any siren or whistle. This section shall not apply to bicycles ridden by peace officers in the line of duty. [C39, § 5034.43; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §321.434 ] 97 Acts, ch 71,…

Notwithstanding any other provision of law, a motor vehicle that is originally designed as a two-wheeled motorcycle and is modified using conversion hardware which allows for the attachment and detachment of two stabilizing rear wheels may be operated on a highway with the stabil…

Every motor vehicle shall at all times be equipped with a muffler in good working order and in constant operation to prevent excessive or unusual noise and annoying smoke, and no person shall use a muffler cutout, bypass or similar device upon a motor vehicle on a highway. [S13, …

1. Every motor vehicle shall be equipped with a mirror so located as to reflect to the driver a view of the highway for a distance of at least two hundred feet to the rear of such vehicle. Any motor vehicle so loaded, or towing another vehicle in such manner, as to obstruct the v…

1. A person shall not drive a motor vehicle equipped with a windshield, sidewings, or side or rear windows which do not permit clear vision. 2. A person shall not operate on the highway a motor vehicle equipped with a front windshield, a side window to the immediate right or left…

The windshield on every motor vehicle shall be equipped with a device for cleaning rain, snow, or other moisture from the windshield, which device shall be so constructed as to be controlled or operated by the driver of the vehicle. [C39, § 5034.48; C46, 50, 54, 58, 62, 66, 71, 7…

The director shall adopt and enforce rules governing registration and titling of motor vehicles as deemed necessary by the director and compatible with the public interest with respect to the change or substitution of engines, drivetrain assemblies or related parts in any motor v…

1. Every solid rubber tire on a vehicle shall have rubber on its entire traction surface at least one inch thick above the edge of the flange of the entire periphery. Any pneumatic tire on a vehicle shall be considered unsafe if it has: a. Any part of the ply or cord exposed. b. …

No person shall operate or move on a paved highway any motor vehicle, trailer, or semitrailer having any metal tire or metal track in contact with the roadway. [C24, 27, 31, 35, §4918, 4919; C39, § 5034.50; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §321.441 ] Referred to i…

No tire on a vehicle moved on a highway shall have on its periphery any block, stud, flange, cleat, or spike or any other protuberances of any material other than rubber which projects beyond the tread of the traction surface of the tire except that it shall be permissible to use…

The department and local authorities in their respective jurisdictions shall review any application for a special permit and may, with good cause being shown, issue special permits authorizing the operation upon a highway of traction engines or tractors having movable tracks with…

1. No person shall sell any new motor vehicle nor shall any motor vehicle, manufactured since July 1, 1935, be registered, or operated unless such vehicle is equipped with safety glass wherever glass is used in doors, windows, and windshields. Replacements of glass in doors, wind…

1. Except for motorcycles or motorized bicycles, 1966 model year or newer motor vehicles subject to registration in Iowa shall be equipped with safety belts and safety harnesses which conform with federal motor vehicle safety standard numbers 209 and 210 as published in 49 C.F.R.…

1. a. A child under one year of age and weighing less than twenty pounds who is being transported in a motor vehicle subject to registration, except a school bus or motorcycle, shall be secured during transit in a rear-facing child restraint system that is used in accordance with…

1. a. A person shall not operate a commercial vehicle on the highways of this state except in compliance with rules adopted by the department of public safety, in consultation with the department of transportation, under chapter 17A . The rules shall be consistent with the federa…

1. A driver of a motor vehicle operated for hire which is designed to transport seven or more persons but fewer than sixteen persons including the driver and is used to transport railroad workers to or from their places of employment or during the course of their employment is su…

1. a. A person subject to rules adopted by the department of public safety pursuant to section 321.449 shall not operate a commercial motor vehicle while engaged in texting as prohibited by 49 C.F.R. §392.80 , except in an emergency or as otherwise permitted under 49 C.F.R. §392.…

For each application for registration or renewal, the county treasurer or the department shall request through use of a written form, and, if the application is made in person, through verbal communication, that an applicant make a voluntary contribution of one dollar or more to …

1. a. No manufacturer, importer, dealer, or other person shall sell or otherwise dispose of a new vehicle subject to registration under the provisions of this chapter to a dealer to be used by such dealer for purposes of display and lease or resale without delivering to such deal…

1. A person shall not transport or have transported or shipped within this state any hazardous material except in compliance with rules adopted by the department of public safety under chapter 17A . The rules shall be consistent with the federal hazardous materials regulations ad…

1. The director or the director’s designee may designate a privately owned vehicle as an authorized emergency vehicle and issue a certificate of designation for the vehicle, upon written request being made on forms provided by the department and showing necessity for the designat…

1. A person shall not drive or move, and the owner of such vehicle shall not cause or knowingly permit to be driven or moved, on any highway any vehicle or vehicles of a size or weight exceeding the limitations stated in this chapter , and the maximum size and weight of vehicles …

1. Except as provided in sections 321.463 , 321.471 , and 321.474 , the provisions of this chapter governing size, weight, and load and the permit requirements of chapter 321E do not apply to any of the following: a. Fire apparatus. b. Road maintenance equipment owned by, under l…

1. The total outside width of a vehicle or the load on the vehicle shall not exceed eight feet six inches. 2. Notwithstanding subsection 1 , the total outside width of a vehicle or combination of vehicles transporting a divisible load of hay, straw, stover, or bagged livestock be…

No passenger-type vehicle shall be operated on any highway with any load carried thereon extending beyond the line of the fenders on the left side of such vehicle nor extending more than six inches beyond the line of the fenders on the right side thereof. Passengers shall not rid…

1. A vehicle unladen or with load shall not exceed a height of thirteen feet six inches. 2. Notwithstanding subsection 1 , a vehicle or combination of vehicles coupled together and used exclusively for the transportation of passenger vehicles, light delivery trucks, panel deliver…

1. A combination of four vehicles is not allowed on the highways of this state, except for power units saddle mounted on other power units which shall be restricted to a maximum overall length of ninety-seven feet. 2. The maximum length of any motor vehicle or combination of vehi…

The load upon any vehicle operated alone, or the load upon the front vehicle of a combination of vehicles, shall not extend more than three feet beyond the front wheels of such vehicle or the front bumper of such vehicle if it is equipped with such a bumper. [C39, § 5035.07; C46,…

Axles of a motor vehicle, trailer, or semitrailer which are less than forty inches apart center to center shall be considered as a single axle for the purpose of determining permissible gross weight under section 321.463 . [C31, 35, §5067-d3; C39, § 5035.08; C46, 50, 54, 58, 62, …

1. The transferee shall, within thirty calendar days after purchase or transfer, apply for and obtain from any county treasurer a new initial registration and a new certificate of title for the vehicle, except as provided in section 321.25 , 321.48 , or 322G.12 , or when the tran…

A vehicle shall not be driven or moved on any highway by any person unless such vehicle is so constructed or loaded or the load securely covered as to prevent any of its load from dropping, sifting, leaking, or otherwise escaping or its load covering from dropping from the vehicl…

1. When one vehicle is towing another the drawbar or other connection shall not exceed fifteen feet from one vehicle to the other except the connection between any two vehicles transporting poles, pipe, machinery, or other objects of structural nature which cannot readily be dism…

When one vehicle is towing or pulling another vehicle the drawbar or other connection shall be of sufficient strength to pull all weight towed thereby and shall be fastened to the frame of the towing vehicle in such manner as to prevent sidesway, and in addition to such principal…

1. An axle may be divided into two or more parts, except that all parts in the same vertical transverse plane shall be considered as one axle. 2. The gross weight on any one axle of a vehicle, or of a combination of vehicles, operated on the highways of this state, shall not exce…

The director upon registering any vehicle under the laws of this state which vehicle is designed and used primarily for the transportation of property or for the transportation of ten or more persons, may require such information and may make such investigation or test as necessa…

1. Any peace officer having reason to believe that the weight of a vehicle and load is unlawful is authorized to require the driver to stop and submit to a weighing of the same either by means of portable or stationary scales and may require that such vehicle be driven to the nea…

1. The owner of a motor truck, truck tractor, or road tractor, if the owner’s operation has not resulted in a conviction or action pending under this section , may increase the gross weight registration of the vehicle to a higher gross weight registration by payment of one-twelft…

1. A vehicle which is a model year 1999 or later vehicle shall not operate on a highway of this state with a retractable axle unless the weight on the retractable axle can only be adjusted by means of a manual device located on the vehicle that is not accessible to the operator o…

An owner changing a vehicle’s registration from apportioned registration under chapter 326 to registration under this chapter shall be entitled to a credit on the vehicle’s annual registration fees under this chapter . The credit may be allowed when the owner surrenders to the co…

1. If ownership of a vehicle is transferred by operation of law upon inheritance, devise or bequest, dissolution decree, order in bankruptcy, insolvency, replevin, foreclosure or execution sale, abandoned vehicle sale, or when the engine of a motor vehicle is replaced by another …

1. a. Local authorities with respect to a highway under their jurisdiction may by ordinance or resolution prohibit the operation of vehicles upon the highway or impose restrictions as to the weight of vehicles to be operated upon the highway for a total period of not to exceed ni…

The local authority enacting any ordinance or resolution authorized under section 321.471 shall erect and maintain signs designating the ordinance or resolution at each end of that portion of any highway or at the location of any bridge or culvert affected thereby, and the ordina…

1. Local authorities with respect to highways under their jurisdiction may also, by ordinance or resolution, prohibit the operation of trucks or other commercial vehicles, or may impose limitations as to the weight thereof, on designated highways, which prohibitions and limitatio…

1. The department shall have authority, as granted to local authorities, to determine by resolution and to impose restrictions as to the weight of vehicles, except implements of husbandry as defined in section 321.1 , implements of husbandry loaded on hauling units for transporti…

1. a. Any person driving any vehicle, object, or contrivance upon any highway or highway structure shall be liable for all damage which said highway or structure may sustain as a result of any illegal operation, driving, or moving of such vehicle, object, or contrivance, or as a …

1. A member of the state patrol of the department of public safety is authorized to do any of the following: a. Stop any motor vehicle or trailer on the highways for the purposes of weighing and inspection, to weigh and inspect the same and to enforce the provisions of the motor …