321I.10  Operation on roadways, highways, and trails.
  1.  A person shall not operate an all-terrain vehicle or off-road utility vehicle upon roadways or highways except as provided in section 321.234A and this section.
  2.  A registered all-terrain vehicle or off-road utility vehicle may be operated on the roadways of that portion of county highways designated by the county board of supervisors for such use during a specified period. The county board of supervisors shall evaluate the traffic conditions on all county highways and designate roadways on which all-terrain vehicles or off-road utility vehicles may be operated for the specified period without unduly interfering with or constituting an undue hazard to conventional motor vehicle traffic. In designating such roadways, the board may authorize all-terrain vehicles and off-road utility vehicles to stop at service stations or convenience stores along a designated roadway. 
  3.  Cities may designate streets under the jurisdiction of cities within their respective corporate limits which may be used for the operation of registered all-terrain vehicles or registered off-road utility vehicles. In designating such streets, the city may authorize all-terrain vehicles and off-road utility vehicles to stop at service stations or convenience stores along a designated street.
  4.  All-terrain vehicles shall not be operated on snowmobile trails except where designated by the controlling authority and the primary snowmobile trail sponsor.
  5.  An all-terrain vehicle or off-road utility vehicle may make a direct crossing of a highway provided all of the following occur:
  a.  The crossing is made at an angle of approximately ninety degrees to the direction of the highway and at a place where no obstruction prevents a quick and safe crossing.
  b.  The all-terrain vehicle or off-road utility vehicle is brought to a complete stop before crossing the shoulder or main traveled way of the highway.
  c.  The driver yields the right-of-way to all oncoming traffic which constitutes an immediate hazard.
  d.  In crossing a divided highway, the crossing is made only at an intersection of such highway with another public street or highway.
  e.  The crossing is made from a street, roadway, or highway designated as an all-terrain vehicle trail by a state agency, county, or city to a street, roadway, or highway designated as an all-terrain vehicle trail by a state agency, county, or city.
2004 Acts, ch 1132, §53; 2004 Acts, ch 1175, §371; 2005 Acts, ch 20, §9; 2006 Acts, ch 1030, §37; 2009 Acts, ch 179, §125; 2010 Acts, ch 1186, §10; 2017 Acts, ch 32, §2
Referred to in §321.234A, 331.362, 805.8B(2A)(b)
For applicable scheduled fines, see §805.8B, subsection 2A, paragraph b