1. Whenever the department shall determine upon the basis of an engineering and traffic investigation that any speed limit set forth in this chapter is greater or less than is reasonable or safe under the conditions found to exist at any intersection or other place or upon any part of the primary road system or upon any part of a primary road extension, the department shall determine and declare a reasonable and safe speed limit which shall be effective when appropriate signs giving notice of the speed limit are erected at such intersection or other place or part of the highway.

Terms Used In Iowa Code 321.290

  • Department: means the state department of transportation. See Iowa Code 321H.2
  • Extension: means a place of business of an authorized vehicle recycler other than the principal place of business within the county of the principal place of business. See Iowa Code 321H.2
  • 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
  • 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
 2. Whenever the council in any city shall determine upon the basis of an engineering and traffic investigation that any speed limit set forth in this chapter is greater or less than is reasonable or safe under the conditions found to exist at any intersection or other place or upon any part of the city street system, except primary road extensions, said council shall determine and adopt by ordinance such higher or lower speed limit as it deems reasonable and safe. Such speed limit shall be effective when proper and appropriate signs giving notice of the speed limit are erected at such intersections or other place or part of the street.