1. A person operating a motor vehicle shall have the vehicle under control at all times.

Terms Used In Iowa Code 321.288

  • highway: means the entire width between property lines of every way or place of whatever nature when any part thereof is open to the use of the public, as a matter of right, for purposes of vehicular travel, except in public areas in which the boundary shall be thirty-three feet each side of the center line of the roadway. See Iowa Code 321I.1
  • Motor vehicle: means a self-propelled vehicle purchased or leased in this state, except as provided in section 322G. See Iowa Code 322G.2
  • Person: includes any individual, firm, corporation, partnership, joint adventure, or association, and the plural as well as the singular number. See Iowa Code 321H.2
  • road: include public bridges, and may be held equivalent to the words "county way" "county road" "common road" and "state road". See Iowa Code 4.1
  • Vehicle: means any vehicle as defined in chapter 321. See Iowa Code 321H.2
 2. A person operating a motor vehicle shall reduce the speed to a reasonable and proper rate:

 a. When approaching and passing a person walking in the traveled portion of the public highway.
 b. When approaching and passing an animal which is being led, ridden, or driven upon a public highway.
 c. When approaching and traversing a crossing or intersection of public highways, or a sharp turn, curve, or steep descent in a public highway.
 d. When approaching and passing an emergency warning device displayed in accordance with rules adopted under section 321.449, or an emergency vehicle displaying a revolving or flashing light.
 e. When approaching and passing a slow moving vehicle displaying a reflective device or alternative reflective device as provided by section 321.383.
 f. When approaching and passing through a road work zone.